Granted Patent
Utility
US 4,531,042 · App. 06/542,423
Large diameter stud and method and apparatus for welding same
Inventors:
Thomas Shoup, Dennis J. Maykut, Thomas W. Eagar
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Oct 17, 1983
Inventors
Thomas Shoup
Dennis J. Maykut
Thomas W. Eagar
Assignee (at issue)
TRW 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.