Granted Patent
Utility
US 4,621,760 · App. 06/753,315
Method of producing a friction welded article
Inventors:
Wendell B. King, Ronald I. Rhoads, Robert H. Tarbox
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Jul 9, 1985
Inventors
Wendell B. King
Ronald I. Rhoads
Robert H. Tarbox
Assignee (at issue)
DANA LIMITED
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.