Roy Colquitt

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Columbia, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic or pneumatic pulse transfer system for event counting
- Patent number 7,417,561
- Issue date Aug 26, 2008
- Progressive Engineering Technologies Corp.
- John W. Reed
- G08 - SIGNALLING
Information Patent Grant
Acoustic pulse transfer system for event counting
- Patent number 7,022,925
- Issue date Apr 4, 2006
- Progressive Engineering Technologies Corp.
- John W. Reed
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Acoustic or pneumatic pulse transfer system for event counting
- Publication number 20070222641
- Publication date Sep 27, 2007
- PROGRESSIVE ENGINEERING TECHNOLOGIES CORP.
- John W. Reed
- G08 - SIGNALLING
Information Patent Application
Acoustic pulse transfer system for event counting
- Publication number 20030085817
- Publication date May 8, 2003
- PROGRESSIVE ENGINEERING TECHNOLOGIES CORP.
- John W. Reed
- G08 - SIGNALLING