L. Charles Hebel

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Cupertino, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tamper-evident electric paper
- Patent number 6,419,618
- Issue date Jul 16, 2002
- Xerox Corporation
- Jock D. MacKinlay
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Modifiable display having fixed image patterns
- Patent number 6,340,965
- Issue date Jan 22, 2002
- Xerox Corporation
- Matthew E. Howard
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Tamper-evident electric paper
- Patent number 6,303,211
- Issue date Oct 16, 2001
- Xerox Corporation
- Jock D. MacKinlay
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
System for the capture and replay of temporal data representing col...
- Patent number 5,717,879
- Issue date Feb 10, 1998
- Xerox Corporation
- Thomas P. Moran
- G06 - COMPUTING CALCULATING COUNTING