IP Library › Granted Patent US 6,549,561
Granted Patent Utility
US 6,549,561 · Confirmation No. 1215

OFDM PILOT TONE TRACKING FOR WIRELESS LAN

Inventor: James A. Crawford
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2021-02-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-02-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-12-09 PA.. Power of Attorney 2 View
2020-12-09 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2020-12-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-10-03 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-03 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-09-26 PA.. Power of Attorney 4 View
2008-09-26 N417 Electronic Filing System Acknowledgment Receipt 2 View
2002-03-13 TRNA Transmittal of New Application 3 View
2002-03-13 DRW Drawings-only black and white line drawings 13 View
2002-03-13 LET. Miscellaneous Incoming Letter 1 View
2001-08-21 TRNA Transmittal of New Application 2 View
2001-08-21 ADS Application Data Sheet 1 View
2001-08-21 SPEC Specification 53 View
2001-08-21 CLM Claims 8 View
2001-08-21 ABST Abstract 1 View
2001-08-21 DRW Drawings-only black and white line drawings 14 View
2001-08-21 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,549,561
App. No.
09/935,243
Filed
2001-08-21
Granted
2003-04-15
Pub. No.
US20020176483A1
Art Unit
2634
PTA
-70 days