Granted Patent
Utility
US 4,346,678 · App. 06/134,447
Rocker arm and method of making same
Inventor:
Joseph L. Wherry
Patented Case
View Patent ↗
Granted: Aug 31, 1982
Filed: Mar 27, 1980
Inventor
Joseph L. Wherry
Assignee (at issue)
Toledo Stamping & Manufacturing 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.