IP Library › Granted Patent US 4,319,446
Granted Patent Utility
US 4,319,446 · App. 06/162,372

Infeed means for round baler

Inventors: John Arnold, Wilbur E. Groeneveld, Warner M. Heckley
Patented Case View Patent ↗
Granted: Mar 16, 1982 Filed: Jun 23, 1980
Inventors
John Arnold
Wilbur E. Groeneveld
Warner M. Heckley
Assignee (at issue)
The Paul Revere Corporation

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

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Quick Facts
Patent No.
US 4,319,446
App. No.
06/162,372
Filed
1980-06-23
Granted
1982-03-16
Kind
A