IP Library › Granted Patent US 6,570,427
Granted Patent Utility
US 6,570,427 · Confirmation No. 1099

VARIABLE TRANSCONDUCTANCE AMPLIFIER

Inventor: John S. Prentice
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2010-08-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-08-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-08-12 PA.. Power of Attorney 2 View
2010-08-12 N417 Electronic Filing System Acknowledgment Receipt 2 View
2010-08-12 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2009-02-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-09 PA.. Power of Attorney 1 View
2009-02-09 LET. Miscellaneous Incoming Letter 32 View
2009-02-09 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-02-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-08-31 TRNA Transmittal of New Application 2 View
2001-08-31 SPEC Specification 19 View
2001-08-31 CLM Claims 11 View
2001-08-31 ABST Abstract 1 View
2001-08-31 DRW Drawings-only black and white line drawings 7 View
2001-08-31 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,570,427
App. No.
09/943,668
Filed
2001-08-31
Granted
2003-05-27
Pub. No.
US20030071286A1
Art Unit
2814
PTA
-40 days