Granted Patent
Utility
US 5,355,752 · App. 08/194,911
Screwholder for screwdriver
Inventors:
Christopher Stephen Keenan, Joseph N. Varnell, III
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: Feb 14, 1994
Inventors
Christopher Stephen Keenan
Joseph N. Varnell, III
Assignee (at issue)
Emerson Electric 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.