Granted Patent
Utility
US 4,381,600 · App. 06/237,048
Magnetic core winding apparatus
Inventor:
Joseph A. Mas
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: Feb 23, 1981
Inventor
Joseph A. Mas
Assignee (at issue)
ALLIED CONSULTING, 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.