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NETWORK SYSTEMS INC
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FAIRFAX, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Adaptive forward error correction system and method
Patent number
5,699,369
Issue date
Dec 16, 1997
Network Systems Corporation
Aloke Guha
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Inter-program communication and scheduling method for personal comp...
Patent number
5,630,074
Issue date
May 13, 1997
Network Systems Corporation
Anthony R. Beltran
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Circuit module with hot-swap control circuitry
Patent number
5,530,302
Issue date
Jun 25, 1996
Network Systems Corporation
John D. Hamre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Jitter measurement using a statistically locked loop
Patent number
5,481,563
Issue date
Jan 2, 1996
Network Systems Corporation
John D. Hamre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hub controller for providing deterministic access to CSMA local are...
Patent number
5,355,375
Issue date
Oct 11, 1994
Network Systems Corporation
Gary S. Christensen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Clock distribution system
Patent number
5,296,748
Issue date
Mar 22, 1994
Network Systems Corporation
Denton G. Wicklund
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus and method to detect telephony signaling states
Patent number
5,109,409
Issue date
Apr 28, 1992
Alcatel NA, Inc.
Eric D. Bomgardner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network communications adapter with dual interleaved memory banks s...
Patent number
4,933,846
Issue date
Jun 12, 1990
Network Systems Corporation
Donald J. Humphrey
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Very high-speed digital data bus
Patent number
4,748,617
Issue date
May 31, 1988
Network Systems Corporation
Kenneth G. Drewlo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit for wire transmission of high frequency data communication...
Patent number
4,086,534
Issue date
Apr 25, 1978
Network Systems Corporation
Gerald R. Olson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74697771 - FRAMERUNNER
Serial number
74697771
Filing date
Jul 6, 1995
NETWORK SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74612347 - BORDERGUARD
Serial number
74612347
Registration number
2086231
Filing date
Dec 19, 1994
Network Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74612808 - DATA PRIVACY FACILITY
Serial number
74612808
Registration number
1941009
Filing date
Dec 19, 1994
Network Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74577979 - SECURITY ROUTER
Serial number
74577979
Filing date
Sep 26, 1994
Network Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74529656 - USER-ACCESS CAM
Serial number
74529656
Filing date
May 26, 1994
Network Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74522829 - NETSENTRY
Serial number
74522829
Registration number
2193951
Filing date
Apr 21, 1994
Network Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74271286 - USER-ACCESS
Serial number
74271286
Registration number
1753704
Filing date
May 1, 1992
Network Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73678903 - NETWORK SYSTEMS
Serial number
73678903
Filing date
Aug 17, 1987
NETWORK SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73678901 - 3270 MULTISWITCH
Serial number
73678901
Registration number
1515006
Filing date
Aug 17, 1987
NETWORK SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73678902 - NETWORK SYSTEMS
Serial number
73678902
Registration number
1531910
Filing date
Aug 17, 1987
NETWORK SYSTEMS CORPORATION
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73588453 - DATAPIPE
Serial number
73588453
Registration number
1593847
Filing date
Mar 17, 1986
P C PATHWAYS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73538107 - NSC
Serial number
73538107
Registration number
1390594
Filing date
May 17, 1985
NETWORK SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73538256
Serial number
73538256
Registration number
1371116
Filing date
May 17, 1985
NETWORK SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73419965 - NETEX
Serial number
73419965
Registration number
1304785
Filing date
Apr 4, 1983
Network Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73348595 - HYPERBUS
Serial number
73348595
Registration number
1220701
Filing date
Feb 4, 1982
Network Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73277731 - HYPERCHANNEL
Serial number
73277731
Registration number
1181950
Filing date
Sep 15, 1980
Network Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73252261 - NETWORK SYSTEMS
Serial number
73252261
Registration number
1174918
Filing date
Mar 3, 1980
NETWORK SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments