Granted Patent
Utility
US 4,227,845 · App. 05/933,234
Rolling rack control for automatic bale wagon
Inventors:
Richard A. Colby, Leo B. Parolini, L. Dennis Butler
Patented Case
View Patent ↗
Granted: Oct 14, 1980
Filed: Aug 14, 1978
Inventors
Richard A. Colby
Leo B. Parolini
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.