IP Library › Granted Patent US 4,031,836
Granted Patent Utility
US 4,031,836 · App. 05/677,798

Machine for making can ends having rupturable closures

Inventors: Frederick G. J. Grise, Walter C. Lovell
Patented Case View Patent ↗
Granted: Jun 28, 1977 Filed: Apr 16, 1976
Inventors
Frederick G. J. Grise
Walter C. Lovell

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Quick Facts
Patent No.
US 4,031,836
App. No.
05/677,798
Filed
1976-04-16
Granted
1977-06-28
Kind
A