Granted Patent
Utility
US 4,738,231 · App. 06/465,163
One-piece rocker arm with insert
Inventors:
Ramanlal L. Patel, Joseph L. Wherry
Patented Case
View Patent ↗
Granted: Apr 19, 1988
Filed: Feb 9, 1983
Inventors
Ramanlal L. Patel
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.