IP Library › Granted Patent US 4,764,161
Granted Patent Utility
US 4,764,161 · App. 06/557,532

Greenhouse film folding apparatus

Inventors: James H. Davidson, John F. Pollock
Patented Case View Patent ↗
Granted: Aug 16, 1988 Filed: Dec 2, 1983
Inventors
James H. Davidson
John F. Pollock
Assignee (at issue)
Ethyl Corporation

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Quick Facts
Patent No.
US 4,764,161
App. No.
06/557,532
Filed
1983-12-02
Granted
1988-08-16
Kind
A