Granted Patent
Utility
US 4,546,340 · App. 06/635,689
Electrical coil assembly
Inventor:
George F. Kuchuris
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Jul 30, 1984
Inventor
George F. Kuchuris
Assignee (at issue)
The Singer Company 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.