IP Library › Granted Patent US 6,478,860
Granted Patent Utility PCT National Stage
US 6,478,860 · Confirmation No. 3971

CONDITIONING METAL SURFACES BEFORE PHOSPHATING THEM

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2001-01-22 LET. Miscellaneous Incoming Letter 46 View
2001-01-22 LET. Miscellaneous Incoming Letter 46 View
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Quick Facts
Patent No.
US 6,478,860
App. No.
09/744,168
Filed
2001-01-22
Granted
2002-11-12
Art Unit
1711
PTA
0 days