Granted Patent
Utility
US 4,876,430 · App. 07/223,497
Preweld test method
Inventors:
Roman Herschitz, Alexander Bogorad, Robert N. Harhigh
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Jul 25, 1988
Inventors
Roman Herschitz
Alexander Bogorad
Robert N. Harhigh
Assignee (at issue)
General Electric 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.