Granted Patent
Utility
US 4,452,032 · App. 06/413,114
Apparatus and method for lubricating apron chains on roll baling machines
Inventors:
James T. Clevenger, Jr., Donald L. Sheesley, John Richardson
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Aug 30, 1982
Inventors
James T. Clevenger, Jr.
Donald L. Sheesley
John Richardson
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.