Granted Patent
Utility
US 4,454,754 · App. 06/382,113
Engine failure detector
Inventors:
Raymond D. Zagranski, Albert H. White
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: May 26, 1982
Inventors
Raymond D. Zagranski
Albert H. White
Assignee (at issue)
Chandler Evans 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.