Granted Patent
Utility
US 4,972,292 · App. 07/103,091
Inductor with centertap switching transistor for reduced radio frequency emissions
Inventor:
Alan Petersen
Patented Case
View Patent ↗
Granted: Nov 20, 1990
Filed: Sep 30, 1987
Inventor
Alan Petersen
Assignee (at issue)
Spectra-Physics, 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.