Granted Patent
Utility
US 4,359,107 · App. 06/263,836
Shut-off apparatus for pneumatic driven tools
Inventor:
William S. Smith
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: May 15, 1981
Inventor
William S. Smith
Assignee (at issue)
Dresser Industries, 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.