IP Library Granted Patent US 6,654,475
Granted Patent Utility
US 6,654,475 · Confirmation No. 2624

ELECTRICITY-TO-SOUND TRANSDUCER

Inventor: Jiro Nakaso
⬇ PDF
Code Description Pages PDF
2003-09-03 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-09-28 TRNA Transmittal of New Application 1 View
2001-09-28 SPEC Specification 15 View
2001-09-28 CLM Claims 2 View
2001-09-28 ABST Abstract 1 View
2001-09-28 DRW Drawings-only black and white line drawings 23 View
2001-09-28 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,654,475
App. No.
09/964,528
Filed
2001-09-28
Granted
2003-11-25
Pub. No.
US20020039430A1
Art Unit
2643
PTA
0 days