Granted Patent
Utility
US 4,954,737 · App. 07/369,606
Pulse generator for a rotary speed sensor
Inventor:
Jean Guichard
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Jun 21, 1989
Inventor
Jean Guichard
Assignee (at issue)
MESSIER-HISPANO-BUGATTI
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.