Granted Patent
Utility
US 5,322,145 · App. 08/006,348
Drum brake operating mechanism
Inventor:
Anthony C. Evans
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Jan 19, 1993
Inventor
Anthony C. Evans
Assignee (at issue)
KELSEY-HAYES-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.