Granted Patent
Utility
US 4,638,241 · App. 06/775,524
Regulated current supply
Inventor:
Joseph H. Colles
Patented Case
View Patent ↗
Granted: Jan 20, 1987
Filed: Sep 13, 1985
Inventor
Joseph H. Colles
Assignee (at issue)
Brooktree Corporation
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.