IP Library › Granted Patent US 6,544,032
Granted Patent Utility PCT National Stage
US 6,544,032 · Confirmation No. 8835

METHOD AND INSTALLATION FOR HEAT-TREATING FINE-GRAINED PRODUCTS

Inventor: Ludger Brentrup
Patented Case View Patent ↗
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 Code Description Pages PDF
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
2001-09-28 ABST Abstract 1 View
2001-09-28 LET. Miscellaneous Incoming Letter 18 View
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Quick Facts
Patent No.
US 6,544,032
App. No.
09/937,994
Filed
2001-09-28
Granted
2003-04-08
Art Unit
3749
PTA
-39 days