Granted Patent
Utility
US 4,751,449 · App. 06/911,012
Start from coast protective circuit
Inventor:
Steven F. Chmiel
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Sep 24, 1986
Inventor
Steven F. Chmiel
Assignee (at issue)
PT Components, 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.