Granted Patent
Utility
US 4,859,927 · App. 07/264,259
Power supply with improved switching regulator
Inventor:
Robert S. Meijer
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Oct 28, 1988
Inventor
Robert S. Meijer
Assignee (at issue)
Fisher Scientific Company, L.L.C.
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.