Granted Patent
Utility
US 4,416,057 · App. 06/267,980
Methods of testing the integrity of an electrical coil as it is wound
Inventor:
John Tardy
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: May 28, 1981
Inventor
John Tardy
Assignee (at issue)
Western Electric Company, Inc.
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.