IP Library › Granted Patent US D457,878
Granted Patent Design
US D457,878 · Confirmation No. 3880

KEY MATRIX FOR A HANDSET

Inventor: Jeffrey Higashi
Patented Case View Patent ↗
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 Code Description Pages PDF
2001-03-02 TRNA Transmittal of New Application 2 View
2001-03-02 ADS Application Data Sheet 1 View
2001-03-02 SPEC Specification 1 View
2001-03-02 DRW Drawings-only black and white line drawings 2 View
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Quick Facts
Patent No.
US D457,878
App. No.
29/137,984
Filed
2001-03-02
Granted
2002-05-28
Art Unit
2913
PTA
0 days