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Plano, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Inventory control probe and control module with docking station
Patent number
5,949,049
Issue date
Sep 7, 1999
Span Instruments, Inc.
Henry Jemison McCarrick
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Inventory control collar locking ring
Patent number
5,713,692
Issue date
Feb 3, 1998
Span Instruments
Henry Jemison McCarrick
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Inventory control probe
Patent number
D390138
Issue date
Feb 3, 1998
Span Instruments, Inc.
Henry Jemison McCarrick
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Inventory control collar
Patent number
D390111
Issue date
Feb 3, 1998
Span Instruments, Inc.
Henry Jemison McCarrick
D09 - Packages and containers for goods
Information
Patent Grant
Method for making thin film piezoresistive sensor
Patent number
5,518,951
Issue date
May 21, 1996
Span Instruments, Inc.
Bruce Paynter
G01 - MEASURING TESTING
Information
Patent Grant
Controlling process gas flow
Patent number
5,253,669
Issue date
Oct 19, 1993
Span Instruments, Inc.
Tommy L. Gray
G05 - CONTROLLING REGULATING
Information
Patent Grant
Regulator flow control
Patent number
5,218,991
Issue date
Jun 15, 1993
Span Instruments, Inc.
Tommy L. Gray
G05 - CONTROLLING REGULATING
Information
Patent Grant
Pressure gauge with fiber optic sensor
Patent number
5,138,155
Issue date
Aug 11, 1992
Span Instruments, Inc.
Tommy L. Gray
G01 - MEASURING TESTING
Information
Patent Grant
Flow responsive transmitter and indicator
Patent number
5,056,373
Issue date
Oct 15, 1991
Span Instruments, Inc.
Tommy L. Gray
G01 - MEASURING TESTING
Information
Patent Grant
Pressure responsive encoder
Patent number
5,051,729
Issue date
Sep 24, 1991
Span Instruments, Inc.
Tommy L. Gray
G01 - MEASURING TESTING
Information
Patent Grant
Flow responsive transmitter and indicator
Patent number
4,898,036
Issue date
Feb 6, 1990
Span Instruments, Inc.
Tommy L. Gray
G01 - MEASURING TESTING
Information
Patent Grant
Pressure monitoring apparatus having a Hall-effect detector
Patent number
4,745,811
Issue date
May 24, 1988
Span Instruments, Inc.
Tommy L. Gray
G01 - MEASURING TESTING
Information
Patent Grant
Condition responsive apparatus
Patent number
4,599,902
Issue date
Jul 15, 1986
Span Instruments, Inc.
Tommy L. Gray
G01 - MEASURING TESTING
Information
Patent Grant
Regulator/valve controller
Patent number
4,331,179
Issue date
May 25, 1982
Span Instruments, Inc.
Tommy L. Gray
G05 - CONTROLLING REGULATING
Information
Patent Grant
Sensor with adjustable pressure responsive detection and control
Patent number
4,270,568
Issue date
Jun 2, 1981
Span Instruments, Inc.
Tommy L. Gray
G01 - MEASURING TESTING
Information
Patent Grant
Pressure instrument compensating bladder
Patent number
4,184,375
Issue date
Jan 22, 1980
Span Instruments, Inc.
Tommy L. Gray
G01 - MEASURING TESTING
Information
Patent Grant
Sensor with adjustable pressure responsive detection and control
Patent number
4,173,150
Issue date
Nov 6, 1979
Span Instruments, Inc.
Tommy L. Gray
G01 - MEASURING TESTING
Information
Patent Grant
Dry pressure gauge with dampened needle movement
Patent number
4,100,812
Issue date
Jul 18, 1978
Span Instruments
Tommy L. Gray
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75093603
Serial number
75093603
Filing date
Apr 24, 1996
Span Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74694580 - S
Serial number
74694580
Registration number
2058144
Filing date
Jun 27, 1995
Span Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74407111 - SITRAX
Serial number
74407111
Registration number
1875856
Filing date
Jun 29, 1993
Span Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74224437 - LASER FILM TECHNOLOGY
Serial number
74224437
Registration number
1715307
Filing date
Nov 22, 1991
Span Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74198539 - SIMON
Serial number
74198539
Registration number
1700372
Filing date
Aug 27, 1991
Span Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74104995 - THRU TUBE
Serial number
74104995
Registration number
1697405
Filing date
Oct 11, 1990
Span Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74015446 - SIMON
Serial number
74015446
Registration number
1737495
Filing date
Jan 2, 1990
Span Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73607167 - SPAN INSTRUMENTS SI
Serial number
73607167
Filing date
Jun 30, 1986
Span Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73230925 - SI
Serial number
73230925
Filing date
Sep 11, 1979
Span Instruments, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments