IP Library Granted Patent US 6,477,820
Granted Patent Utility
US 6,477,820 · App. 09/364,624

Method of making a package with a zipper closure

Inventors: Herberto Dutra, Mark C. Mikol
Patented Case View Patent ↗
Granted: Nov 12, 2002 Filed: Jul 29, 1999
Inventors
Herberto Dutra
Mark C. Mikol
Assignee (at issue)
KRAFT FOODS HOLDINGS, INC.

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Quick Facts
Patent No.
US 6,477,820
App. No.
09/364,624
Filed
1999-07-29
Granted
2002-11-12
Kind
B1