Roger Tong

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Oakville, CA

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Patents Grantslast 30 patents

Information Patent Grant
Transceiver redundancy in an electronic toll collection system
- Patent number 7,813,699
- Issue date Oct 12, 2010
- Mark IV Industries Corp
- Thua Van Ho
- G07 - CHECKING-DEVICES
Information Patent Grant
Dual mode electronic toll collection transponder
- Patent number 7,408,480
- Issue date Aug 5, 2008
- Mark IV Industries Corp
- Henry Sun Yee Woo
- G08 - SIGNALLING
Information Patent Grant
Dynamic timing adjustment in an electronic toll collection system
- Patent number 7,385,525
- Issue date Jun 10, 2008
- Mark IV Industries Corporation
- Thua Van Ho
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
TRANSCEIVER REDUNDANCY IN AN ELECTRONIC TOLL COLLECTION SYSTEM
- Publication number 20100022202
- Publication date Jan 28, 2010
- Thua Van Ho
- G07 - CHECKING-DEVICES
Information Patent Application
TRANSCEIVER REDUNDANCY IN AN ELECTRONIC TOLL COLLECTION SYSTEM
- Publication number 20070077896
- Publication date Apr 5, 2007
- Thua Van Ho
- G07 - CHECKING-DEVICES
Information Patent Application
MONITORING AND ADJUSTMENT OF READER IN AN ELECTRONIC TOLL COLLECTIO...
- Publication number 20070075839
- Publication date Apr 5, 2007
- Thua Van Ho
- G07 - CHECKING-DEVICES
Information Patent Application
RFID inventory control system
- Publication number 20070040682
- Publication date Feb 22, 2007
- Mark IV Industries Corp.
- Jeffrey Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Dynamic timing adjustment in an electronic toll collection system
- Publication number 20070008184
- Publication date Jan 11, 2007
- Thua Van Ho
- G07 - CHECKING-DEVICES
Information Patent Application
Dual mode electronic toll collection transponder
- Publication number 20060255968
- Publication date Nov 16, 2006
- Henry Sun Yee Woo
- G07 - CHECKING-DEVICES
Information Patent Application
Open road vehicle emissions inspection
- Publication number 20060255967
- Publication date Nov 16, 2006
- Henry Sun Yee Woo
- G07 - CHECKING-DEVICES