Granted Patent
Utility
US 4,265,141 · App. 05/925,008
Mechanical force multiplier
Inventor:
Jeffrey M. Bowman
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Jul 17, 1978
Inventor
Jeffrey M. Bowman
Assignee (at issue)
International Telephone and Telegraph Corporation
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.