Granted Patent
Utility
US 4,809,657 · App. 07/102,134
Anti-overrunning device for an internal combustion engine
Inventors:
Yoshimi Sejimo, Toshiaki Tsubai, Teruhiko Tobinai
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Sep 29, 1987
Inventors
Yoshimi Sejimo
Toshiaki Tsubai
Teruhiko Tobinai
Assignee (at issue)
Walbro Far East, 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.