Granted Patent
Utility
US 4,812,607 · App. 07/092,074
Compensation for improved continuous transformer and motor
Inventor:
Jeffrey K. Cornell
Patented Case
View Patent ↗
Granted: Mar 14, 1989
Filed: Sep 2, 1987
Inventor
Jeffrey K. Cornell
Assignee (at issue)
Microwave Products of America, 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.