IP Library › Granted Patent US 4,280,978
Granted Patent Utility
US 4,280,978 · App. 06/041,869

Process of embossing and perforating thermoplastic film

Inventors: Walter R. Dannheim, John McNaboe
Patented Case View Patent ↗
Granted: Jul 28, 1981 Filed: May 23, 1979
Inventors
Walter R. Dannheim
John McNaboe
Assignee (at issue)
Monsanto Company

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Quick Facts
Patent No.
US 4,280,978
App. No.
06/041,869
Filed
1979-05-23
Granted
1981-07-28
Kind
A