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TELTREND INC
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ST. CHARLES, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Remote reporting system for digital transmission line elements
Patent number
6,151,691
Issue date
Nov 21, 2000
Teltrend, Inc.
Peter W. Pesetski
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of rapid automatic hybrid balancing
Patent number
6,111,949
Issue date
Aug 29, 2000
Teltrend, Inc.
Laurence L. Sheets
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
AGC amplifier for two-wire line conditioner
Patent number
5,974,137
Issue date
Oct 26, 1999
Teltrend, Inc.
Laurence L. Sheets
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adjustable hybrid having improved biasing configuration
Patent number
5,963,638
Issue date
Oct 5, 1999
Teltrend, Inc.
Laurence L. Sheets
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for controlling line conditioner equalizer
Patent number
5,953,412
Issue date
Sep 14, 1999
Teltrend, Inc.
Laurence L. Sheets
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High density telephone network interface unit
Patent number
5,907,614
Issue date
May 25, 1999
Teltrend Inc.
Eric Paul Bergstrom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Remote reporting system for digital transmission line elements
Patent number
5,889,785
Issue date
Mar 30, 1999
Teltrend Inc.
Peter W. Pesetski
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ground fault detector for T1 span equipment
Patent number
5,862,200
Issue date
Jan 19, 1999
Teltrend, Inc.
Laurence L. Sheets
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data transmission protection circuit with error correction
Patent number
5,691,998
Issue date
Nov 25, 1997
Teltrend Inc.
Laurence L. Sheets
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Performance monitoring system for T1 telephone lines
Patent number
5,689,546
Issue date
Nov 18, 1997
Teltrend Inc.
Laurence L. Sheets
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enhancement for a multiplexing telecommunications interface
Patent number
5,682,385
Issue date
Oct 28, 1997
Teltrend Inc.
Frank X. Garcia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Remote reporting system for digital transmission line elements
Patent number
5,680,405
Issue date
Oct 21, 1997
Teltrend Incorporated
Peter W. Pesetski
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High density telephone network interface unit
Patent number
5,631,956
Issue date
May 20, 1997
Teltrend Inc.
Eric P. Bergstrom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Floating digital loop carrier telephone interface
Patent number
5,566,239
Issue date
Oct 15, 1996
Teltrend, Inc.
Frank X. Garcia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phantom data link for digital transmission lines
Patent number
5,555,274
Issue date
Sep 10, 1996
Teltrend Inc.
Laurence L. Sheets
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High density telephone network interface unit
Patent number
5,521,977
Issue date
May 28, 1996
Teltrend Inc.
Eric P. Bergstrom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dual span monitoring system for maintenance shelf control
Patent number
5,509,065
Issue date
Apr 16, 1996
Teltrend Inc.
Michael T. Fitzgerald
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bridge for a network interface unit
Patent number
5,444,776
Issue date
Aug 22, 1995
Teltrend Inc.
Laurence L. Sheets
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Open power loop detector for transmission line elements
Patent number
5,438,606
Issue date
Aug 1, 1995
Teltrend Inc.
Guy C. Cerulli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Noise-tolerant address transmission system for digital telecommunic...
Patent number
5,437,023
Issue date
Jul 25, 1995
Teltrend, Inc.
Laurence L. Sheets
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Remote terminal channel unit for telephone transmission lines
Patent number
5,422,950
Issue date
Jun 6, 1995
Teltrend Inc.
Bruce R. Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Trans-hybrid loss compensator for on hook transmission
Patent number
5,357,569
Issue date
Oct 18, 1994
Teltrend Inc.
Frank X. Garcia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Gain or loss compensation circuit for telephone lines
Patent number
5,347,544
Issue date
Sep 13, 1994
Teltrend Inc.
Frank X. Garcia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Caller identification transmit path limiter
Patent number
5,315,650
Issue date
May 24, 1994
Teltrend Inc.
Earl L. Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Testing system for digital transmission lines
Patent number
5,224,149
Issue date
Jun 29, 1993
Teltrend, Inc.
Frank X. Garcia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75697390 - ASTS
Serial number
75697390
Registration number
2582781
Filing date
May 4, 1999
Teltrend, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75669832 - TRANSMUTER
Serial number
75669832
Filing date
Mar 29, 1999
Teltrend, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75617383 - SOLUTIONS@NETWORK.EDGE
Serial number
75617383
Filing date
Jan 8, 1999
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75479248 - UNIPORT
Serial number
75479248
Filing date
May 4, 1998
Teltrend, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75459804 - NETWORK IQ
Serial number
75459804
Filing date
Mar 31, 1998
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75452663 - FASTPORT
Serial number
75452663
Filing date
Mar 18, 1998
Teltrend, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75446764 - TLC
Serial number
75446764
Registration number
2492949
Filing date
Mar 9, 1998
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75296257 - INTELLIPLEX
Serial number
75296257
Filing date
May 8, 1997
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75298415 - ISDN-OVER-POTS
Serial number
75298415
Filing date
May 8, 1997
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75255598 - NETZAP
Serial number
75255598
Filing date
Mar 11, 1997
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75215804 - CYBERPOTS
Serial number
75215804
Filing date
Dec 19, 1996
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75204331 - CYBERSPAN
Serial number
75204331
Filing date
Nov 26, 1996
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75204332 - NETZAP PLUS
Serial number
75204332
Filing date
Nov 26, 1996
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75204330 - ALCHEMY
Serial number
75204330
Filing date
Nov 26, 1996
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75137516 - MICROPAK
Serial number
75137516
Filing date
Jul 22, 1996
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75137517 - MINIPAK
Serial number
75137517
Filing date
Jul 22, 1996
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75127114 - TELTREND
Serial number
75127114
Registration number
2113684
Filing date
Jun 28, 1996
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75094418 - CYBERLOOP
Serial number
75094418
Filing date
Apr 23, 1996
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75041456 - CELLPAK
Serial number
75041456
Registration number
2847581
Filing date
Jan 11, 1996
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75038452 - CYBER BLOCK
Serial number
75038452
Filing date
Dec 29, 1995
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75016330 - ULTRAPORT
Serial number
75016330
Registration number
2064058
Filing date
Nov 6, 1995
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74735315 - CYBERBLOCK
Serial number
74735315
Registration number
2073169
Filing date
Sep 22, 1995
Teltrend Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74470915 - 200 MECHANICS
Serial number
74470915
Registration number
1991591
Filing date
Dec 17, 1993
TELTREND INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74470914 - DNI200
Serial number
74470914
Registration number
1984467
Filing date
Dec 17, 1993
TELTREND INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74470917 - NIU200
Serial number
74470917
Filing date
Dec 17, 1993
TELTREND INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74435961 - 200 MECHANICS
Serial number
74435961
Registration number
1901166
Filing date
Sep 15, 1993
TELTREND INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74156863 - YOUR INTELLIGENT ALTERNATIVE
Serial number
74156863
Registration number
1742181
Filing date
Apr 15, 1991
TELTREND INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74148311 - INTELIPULSE
Serial number
74148311
Registration number
1730268
Filing date
Mar 18, 1991
TELTREND INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74132896 - TELTREND
Serial number
74132896
Registration number
1666561
Filing date
Jan 23, 1991
TELTREND INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73796165 - MAX1
Serial number
73796165
Registration number
1606199
Filing date
Apr 27, 1989
Teltone Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments