IP Library › Granted Patent US 6,722,144
Granted Patent Utility
US 6,722,144 · Confirmation No. 6976

CYLINDRICAL AIRFLOW DAMPER

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2016-08-08 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-08-08 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-08-03 PA.. Power of Attorney 2 View
2016-08-03 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-03-04 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-03-04 LET. Miscellaneous Incoming Letter 2 View
2004-03-04 DRW Drawings-only black and white line drawings 6 View
2004-03-04 OATH Oath or Declaration filed 2 View
2001-10-03 TRNA Transmittal of New Application 4 View
2001-10-03 ADS Application Data Sheet 1 View
2001-10-03 SPEC Specification 11 View
2001-10-03 CLM Claims 4 View
2001-10-03 ABST Abstract 2 View
2001-10-03 DRW Drawings-only black and white line drawings 6 View
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Quick Facts
Patent No.
US 6,722,144
App. No.
09/682,664
Filed
2001-10-03
Granted
2004-04-20
Pub. No.
US20030061826A1
Examiner
LEE, KEVIN L
Art Unit
3753
PTA
-60 days