IP Library Granted Patent US 6,577,455
Granted Patent Utility
US 6,577,455 · Confirmation No. 7977

WIDE ANGLE PROJECTION LENS AND PROJECTION DISPLAY DEVICE

Inventor: Shinsuke Shikama
⬇ PDF
Code Description Pages PDF
2001-08-22 TRNA Transmittal of New Application 3 View
2001-08-22 SPEC Specification 51 View
2001-08-22 CLM Claims 7 View
2001-08-22 ABST Abstract 1 View
2001-08-22 DRW Drawings-only black and white line drawings 17 View
2001-08-22 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,577,455
App. No.
09/933,896
Filed
2001-08-22
Granted
2003-06-10
Pub. No.
US20020154418A1
Art Unit
2873
PTA
0 days