Granted Patent
Utility
US 4,268,792 · App. 06/106,817
Method of and apparatus for multiplying pulses
Inventor:
Russel W. Grob
Patented Case
View Patent ↗
Granted: May 19, 1981
Filed: Dec 26, 1979
Inventor
Russel W. Grob
Assignee (at issue)
Caterpillar Tractor Co.
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.