For the Inventor, By the Inventor

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Seattle, WA, United States of America

Gt Development Corporation

USPTO Granted Patents = 34

Trademarks = 2

Forward Citations = 1,923

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16 inventors (with patents filed for the assignee):

John Michael Morris (23 out of 38 patents)

Alan K Forsythe (15 out of 20 patents)

Charles J Green (11 out of 15 patents)

4. Zdenek Gabrlik (6 out of 6 patents)

5. Charles E Stephens (2 out of 10 patents)

6. Charles H Simmons, Jr (2 out of 2 patents)

7. Andrew F Thompson (2 out of 2 patents)

8. Timothy L Oliphant (2 out of 4 patents)

9. Denny Gabrlik (2 out of 2 patents)

10. Gabe Fasolino (1 out of 2 patents)

11. Brent L LaRiviere (1 out of 1 patent)

12. Scott F Coomes (1 out of 1 patent)

13. Roger St John (1 out of 1 patent)

14. Kurt Ambruster (1 out of 1 patent)

15. Nelson O Phillips (1 out of 1 patent)

34 patents: Sort by Forward Citations

1. 7380309 - Knob attachment assembly (2008-06-03),

2. 7210669 - Deformable fastener (2007-05-01),

3. 7164335 - Switch assembly employing magnetic reed switches (2007-01-16),

4. 7106158 - Solenoid-actuated air valve (2006-09-12),

5. 6971404 - Pressure protection valve (2005-12-06),

6. 6860292 - Control system for air-operated devices (2005-03-01),

7. 6719000 - Two stage fuel tank vent valve (2004-04-13),

8. 6175290 - Contactless stalk mounted control switch (2001-01-16),

9. 6119727 - Pneumatic seat valve having a rapid exhaust mode (2000-09-19),

10. 6085786 - Cyclic flow valve (2000-07-11),

11. 5590736 - Vehicle pneumatic seat rollover safety vent valve (1997-01-07),

12. 5573034 - Center position biased slide air valve (1996-11-12),

13. 5564520 - Pneumatic seat rollover vent valve (1996-10-15),

14. 5467960 - Two-way HVAC fluid control valve (1995-11-21),

15. 5447178 - Center position biased slide air valve (1995-09-05),

GT Development Corporation is a leading global technology company specializing in software development, IT consulting, and digital solutions. With expertise in various industries, GT Development Corporation delivers innovative and transformative technology solutions to help businesses thrive in the digital age.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

34 Patents

#60 in Seattle, WA

#196 in Washington

#9,670 in US

#19,042 in the World

Seattle, WA, United States of America

Gt Development Corporation

Forward Citations = 1,923

16 inventors:

John Michael Morris (23 out of 38 patents)

Alan K Forsythe (15 out of 20 patents)

Charles J Green (11 out of 15 patents)

4. Zdenek Gabrlik (6 out of 6 patents)

5. Charles E Stephens (2 out of 10 patents)

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