Graham Charles Townsend

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Waterloo, CA

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Patents Grantslast 30 patents

Information Patent Grant
Determining fingerprint scanning mode from capacitive touch sensor...
- Patent number 9,471,826
- Issue date Oct 18, 2016
- BlackBerry Limited
- Colin Shiva Ramrattan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fingerprint scanning with optical navigation
- Patent number 8,792,683
- Issue date Jul 29, 2014
- BlackBerry Limited
- Colin Shiva Ramrattan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
FINGERPRINT SCANNING WITH OPTICAL NAVIGATION
- Publication number 20110300830
- Publication date Dec 8, 2011
- Research in Motion Limited
- Colin Shiva RAMRATTAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FINGERPRINT SCANNING WITH A CAMERA
- Publication number 20110286639
- Publication date Nov 24, 2011
- Colin Shiva Ramrattan
- G06 - COMPUTING CALCULATING COUNTING