IP Library › Granted Patent US 4,052,841
Granted Patent Utility
US 4,052,841 · App. 05/656,753

Mechanism for opening and closing a crop material roll forming region in a roll forming machine

Inventors: Robert L. Rice, Aquila D. Mast
Patented Case View Patent ↗
Granted: Oct 11, 1977 Filed: Feb 9, 1976
Inventors
Robert L. Rice
Aquila D. Mast
Assignee (at issue)
Sperry Rand Corporation

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Quick Facts
Patent No.
US 4,052,841
App. No.
05/656,753
Filed
1976-02-09
Granted
1977-10-11
Kind
A