Granted Patent
Utility
US 4,576,418 · App. 06/630,566
Brake release mechanism for vehicle towing
Inventors:
Charles E. Holzinger, David M. Fee
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Jul 13, 1984
Inventors
Charles E. Holzinger
David M. Fee
Assignee (at issue)
Caterpillar Tractor Co.
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.