Granted Patent
Utility
US 4,690,607 · App. 06/784,846
Refuse collection truck and apparatus for controlling compaction of refuse
Inventor:
Gary L. Johnson
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Oct 4, 1985
Inventor
Gary L. Johnson
Assignee (at issue)
The Heil Company
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.