Granted Patent
Utility
US 4,380,940 · App. 06/250,770
No torque tool
Inventors:
Ronald E. Morgan, Thomas Pearce
Patented Case
View Patent ↗
Granted: Apr 26, 1983
Filed: Apr 3, 1981
Inventors
Ronald E. Morgan
Thomas Pearce
Assignee (at issue)
British Gas
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.