IP Library › Granted Patent US 6,531,981
Granted Patent Utility
US 6,531,981 · Confirmation No. 3456

GLOBAL AUGMENTATION TO GLOBAL POSITIONING SYSTEM

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2015-11-03 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2015-11-03 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2009-08-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-08-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-07-28 PA.. Power of Attorney 1 View
2009-07-28 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-07-28 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2008-10-08 LET. Miscellaneous Incoming Letter 4 View
2008-10-08 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-04-30 TRNA Transmittal of New Application 2 View
2001-04-30 ADS Application Data Sheet 2 View
2001-04-30 SPEC Specification 14 View
2001-04-30 CLM Claims 3 View
2001-04-30 ABST Abstract 1 View
2001-04-30 DRW Drawings-only black and white line drawings 6 View
2001-04-30 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,531,981
App. No.
09/845,753
Filed
2001-04-30
Granted
2003-03-11
Art Unit
3662
PTA
-200 days