Granted Patent
Utility
US 4,458,638 · App. 06/312,843
Ignition distributor advance plate
Inventors:
Werner O. Wizemann, W. Jim Savage
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Oct 19, 1981
Inventors
Werner O. Wizemann
W. Jim Savage
Assignee (at issue)
Super Shops, Inc.
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.