Granted Patent
Utility
US 5,276,394 · App. 07/905,114
Compensated transformers
Inventor:
Glenn A. Mayfield
Patented Case
View Patent ↗
Granted: Jan 4, 1994
Filed: Jun 26, 1992
Inventor
Glenn A. Mayfield
Assignee (at issue)
RADIAN RESEARCH, 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.