Granted Patent
Utility
US 4,356,719 · App. 06/157,226
Mandrel jaw and method of manufacture
Inventors:
Clarke R. Sutherland, Frederick A. Skinner
Patented Case
View Patent ↗
Granted: Nov 2, 1982
Filed: Jun 9, 1980
Inventors
Clarke R. Sutherland
Frederick A. Skinner
Assignee (at issue)
USM Holding AG
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.