IP Library › Granted Patent US 6,680,639
Granted Patent Utility PCT National Stage
US 6,680,639 · Confirmation No. 6112

PHASE SHIFTING ARRANGEMENT FOR GENERATING MUTUALLY ORTHOGONAL SIGNALS

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2015-10-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-10-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-10-01 PA.. Power of Attorney 1 View
2015-10-01 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2015-10-01 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-11-24 LET. Miscellaneous Incoming Letter 1 View
2003-11-24 DRW Drawings-only black and white line drawings 1 View
2003-11-24 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-06-11 LET. Miscellaneous Incoming Letter 22 View
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Quick Facts
Patent No.
US 6,680,639
App. No.
10/048,714
Filed
2002-06-11
Effective Filing
2002-02-04
Granted
2004-01-20
Art Unit
2816
PTA
0 days