Granted Patent
Utility
US 4,901,835 · App. 07/343,719
Transmission synchronizer with shift inhibitor
Inventor:
Barry L. Frost
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Apr 27, 1989
Inventor
Barry L. Frost
Assignee (at issue)
Chrysler Motors Corporation
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.