IP Library Granted Patent US 6,693,487
Granted Patent Utility
US 6,693,487 · Confirmation No. 4189

SIGNAL PROCESSING CIRCUIT FOR FLOATING SIGNAL SOURCES USING POSITIVE FEEDBACK

Inventor: Philip D. Shapiro
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Code Description Pages PDF
2011-03-14 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-06-09 LET. Miscellaneous Incoming Letter 4 View
2003-06-09 PA.. Power of Attorney 8 View
2003-06-09 PA.. Power of Attorney 1 View
2001-08-08 TRNA Transmittal of New Application 2 View
2001-08-08 SPEC Specification 23 View
2001-08-08 CLM Claims 8 View
2001-08-08 ABST Abstract 1 View
2001-08-08 DRW Drawings-only black and white line drawings 9 View
2001-08-08 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,693,487
App. No.
09/925,176
Filed
2001-08-08
Granted
2004-02-17
Pub. No.
US20030052732A1
Examiner
CHOE, HENRY
Art Unit
2817
PTA
-120 days