Granted Patent
Utility
US 4,445,056 · App. 06/316,788
Means for improving the operation of liquid filled electric motors
Inventor:
David F. Gaylord
Patented Case
View Patent ↗
Granted: Apr 24, 1984
Filed: Nov 2, 1981
Inventor
David F. Gaylord
Assignee (at issue)
Litton Industrial Products, 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.