IP Library › Granted Patent US 6,623,537
Granted Patent Utility PCT National Stage
US 6,623,537 · Confirmation No. 6568

REMOVAL OF SOOT IN GASIFICATION SYSTEM

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2019-11-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-11-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-11-11 PA.. Power of Attorney 2 View
2019-11-11 N417 Electronic Filing System Acknowledgment Receipt 2 View
2019-11-11 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2003-07-18 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-08 PA.. Power of Attorney 1 View
2001-03-09 LET. Miscellaneous Incoming Letter 19 View
2001-03-09 LET. Miscellaneous Incoming Letter 19 View
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Quick Facts
Patent No.
US 6,623,537
App. No.
09/786,788
Filed
2001-03-09
Granted
2003-09-23
Art Unit
1764
PTA
0 days