IP Library › Granted Patent US 4,150,756
Granted Patent Utility
US 4,150,756 · App. 05/891,890

Bale wagon

Inventor: L. Dennis Butler
Patented Case View Patent ↗
Granted: Apr 24, 1979 Filed: Mar 30, 1978
Inventor
L. Dennis Butler
Assignee (at issue)
Sperry Rand 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 4,150,756
App. No.
05/891,890
Filed
1978-03-30
Granted
1979-04-24
Kind
A