Helen M. Davis

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Palo Alto, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for a display producing a fixed set of images
- Patent number 6,486,861
- Issue date Nov 26, 2002
- Xerox Corporation
- Bryan T. Preas
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Arbitration ring for accessing a limited bandwidth switching network
- Patent number 5,949,789
- Issue date Sep 7, 1999
- Xerox Corporation
- Helen M. Davis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM switch with output port clustering for dynamically allocating b...
- Patent number 5,912,889
- Issue date Jun 15, 1999
- Xerox Corporation
- Bryan T. Preas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Arbitration ring with automatic sizing for a partially populated sw...
- Patent number 5,883,895
- Issue date Mar 16, 1999
- Xerox Corporation
- Helen M. Davis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for supporting multicast capabilities in switching networks...
- Patent number 5,835,491
- Issue date Nov 10, 1998
- Xerox Corporation
- Helen M. Davis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Signs using electronically programmable reflective media
- Publication number 20040056853
- Publication date Mar 25, 2004
- Bryan Thomas Preas
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Driving methods for an electronic display
- Publication number 20040036953
- Publication date Feb 26, 2004
- Helen M. Davis
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
System and method for remotely controlling a distributed network of...
- Publication number 20030210240
- Publication date Nov 13, 2003
- Orlando J. Lacayo
- G06 - COMPUTING CALCULATING COUNTING