Dennis Johnson

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North Salem, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Motion detector
- Patent number 7,342,493
- Issue date Mar 11, 2008
- UltraVision Security Systems, Inc.
- Dennis J. Johnson
- G08 - SIGNALLING
Information Patent Grant
Method for modeling and testing a security system
- Patent number 7,308,394
- Issue date Dec 11, 2007
- Ultravision Security Systems, Inc.
- Dennis J. Johnson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Underground utility detection system and method employing ground pe...
- Patent number 6,833,795
- Issue date Dec 21, 2004
- Vermeer Manufacturing Company
- Dennis J. Johnson
- G01 - MEASURING TESTING
Information Patent Grant
Impulse radar security system
- Patent number 6,518,915
- Issue date Feb 11, 2003
- Geophysical Survey Systems, Inc.
- Alan Schutz
- G08 - SIGNALLING
Information Patent Grant
Sewer and pipeline inspection transporter tool
- Patent number 5,892,163
- Issue date Apr 6, 1999
- Geophysical Survey Systems, Inc.
- Dennis J. Johnson
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MOTION DETECTION APPARATUS AND METHOD
- Publication number 20080303655
- Publication date Dec 11, 2008
- UltraVision Security Systems, Inc.
- Dennis J. Johnson
- G08 - SIGNALLING
Information Patent Application
Method for Modeling and Testing a Security System
- Publication number 20080059130
- Publication date Mar 6, 2008
- ULTRAVISION SECURITY SYSTEMS, INC.
- Dennis J. Johnson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Motion detector
- Publication number 20070057761
- Publication date Mar 15, 2007
- Geophysical Survey Systems, Inc.
- Dennis J. Johnson
- G08 - SIGNALLING
Information Patent Application
Method for modeling and testing a security system
- Publication number 20060190228
- Publication date Aug 24, 2006
- UltraVision Security Systems, Inc.
- Dennis J. Johnson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Impulse radar security system
- Publication number 20020109624
- Publication date Aug 15, 2002
- Geophysical Survey Systems, Inc.
- Alan Schutz
- G01 - MEASURING TESTING