Granted Patent
Utility
US 4,549,254 · App. 06/463,179
Buck-boost regulated D.C. to D.C. power supply
Inventor:
William R. Kissel
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Feb 3, 1983
Inventor
William R. Kissel
Assignee (at issue)
Chrysler Group LLC
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.