Imre Trefil

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San Ramon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Alphanumeric keypad and display system and method
- Patent number 7,202,854
- Issue date Apr 10, 2007
- LifeScan, Inc.
- David Hohl
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Alphanumeric keypad and display system and method
- Patent number 7,113,172
- Issue date Sep 26, 2006
- LifeScan, Inc.
- David Hohl
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Alphanumeric keypad and display system and method
- Patent number 6,856,311
- Issue date Feb 15, 2005
- LifeScan, Inc.
- David Hohl

Patents Applicationslast 30 patents

Information Patent Application
Alphanumeric keypad and display system and method
- Publication number 20050140659
- Publication date Jun 30, 2005
- LifeScan, Inc.
- David Hohl
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Alphanumeric keypad and display system and method
- Publication number 20030090467
- Publication date May 15, 2003
- David Hohl
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Systems and methods for authorization of data strings
- Publication number 20030093381
- Publication date May 15, 2003
- David Hohl
- G06 - COMPUTING CALCULATING COUNTING