Granted Patent
Utility
US 4,358,235 · App. 06/187,012
Adjustable cross conveyor for bale handling apparatus
Inventors:
L. Dennis Butler, Leonid Mankin
Patented Case
View Patent ↗
Granted: Nov 9, 1982
Filed: Sep 15, 1980
Inventors
L. Dennis Butler
Leonid Mankin
Assignee (at issue)
Sperry Corp.
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.