Granted Patent
Utility
US 4,621,535 · App. 06/756,547
Forward engagement and reverse disengagement device
Inventors:
Bruce A. Bronson, Brian C. Preston
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Jul 19, 1985
Inventors
Bruce A. Bronson
Brian C. Preston
Assignee (at issue)
Sanders GmbH
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.