IP Library › Granted Patent US 6,638,058
Granted Patent Utility PCT National Stage
US 6,638,058 · Confirmation No. 3024

TUBULAR BURNER FOR INDUSTRIAL FURNACES

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2009-12-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-12-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-12-04 C.AD Change of Address 1 View
2009-12-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-12-04 PA.. Power of Attorney 1 View
2009-12-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-09-02 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-02 LET. Miscellaneous Incoming Letter 1 View
2001-12-07 ABST Abstract 1 View
2001-12-07 LET. Miscellaneous Incoming Letter 17 View
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Quick Facts
Patent No.
US 6,638,058
App. No.
10/009,941
Filed
2001-12-07
Granted
2003-10-28
Art Unit
3743
PTA
0 days