IP Library › Granted Patent US 6,693,180
Granted Patent Utility Small
US 6,693,180 · Confirmation No. 1638

COMPOSITE SPONGE WOUND DRESSING MADE OF BETA-CHITIN AND CHITOSAN AND METHOD FOR PRODUCING THE SAME

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2010-06-17 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2010-02-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-02-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-02-04 PA.. Power of Attorney 1 View
2010-02-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2010-02-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-07-03 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-03 LET. Miscellaneous Incoming Letter 1 View
2003-07-03 C.AD Change of Address 1 View
2003-07-03 PA.. Power of Attorney 1 View
2002-04-04 TRNA Transmittal of New Application 1 View
2002-04-04 SPEC Specification 9 View
2002-04-04 CLM Claims 2 View
2002-04-04 ABST Abstract 1 View
2002-04-04 DRW Drawings-only black and white line drawings 2 View
2002-04-04 OATH Oath or Declaration filed 3 View
2002-04-04 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,693,180
App. No.
10/115,007
Filed
2002-04-04
Granted
2004-02-17
Pub. No.
US20030190346A1
Art Unit
1623
PTA
0 days