Granted Patent
Utility
US 5,219,147 · App. 07/946,697
Valve lock
Inventors:
Christopher B. Fultz, James H. Caputo
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Sep 18, 1992
Inventors
Christopher B. Fultz
James H. Caputo
Assignee (at issue)
General Motors 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.