IP Library › Granted Patent US 6,644,119
Granted Patent Utility
US 6,644,119 · Confirmation No. 8380

NONINVASIVE CHARACTERIZATION OF A FLOWING MULTIPHASE FLUID USING ULTRASONIC INTERFEROMETRY

Inventor: Dipen N. Sinha
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2020-08-19 N572 Response - Re: Informal Power of Attorney (PTOL-308) 1 View
2020-08-13 PA.. Power of Attorney 2 View
2020-08-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2019-07-11 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2019-07-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-07-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-06-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2019-06-19 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2019-06-19 PA.. Power of Attorney 1 View
2003-09-04 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-06-28 TRNA Transmittal of New Application 4 View
2002-06-28 SPEC Specification 20 View
2002-06-28 CLM Claims 12 View
2002-06-28 ABST Abstract 1 View
2002-06-28 DRW Drawings-only black and white line drawings 8 View
2002-06-28 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,644,119
App. No.
10/187,024
Filed
2002-06-28
Granted
2003-11-11
Art Unit
2856
PTA
0 days