IP Library › Granted Patent US 6,620,263
Granted Patent Utility PCT National Stage
US 6,620,263 · Confirmation No. 6034

ZINC PHOSPHATING PROCESS AND COMPOSITION WITH REDUCED POLLUTION POTENTIAL

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2002-09-20 LET. Miscellaneous Incoming Letter 37 View
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Quick Facts
Patent No.
US 6,620,263
App. No.
10/129,299
Filed
2002-09-20
Effective Filing
2002-05-03
Granted
2003-09-16
Art Unit
1742
PTA
0 days