Granted Patent
Utility
US 5,690,449 · App. 08/582,867
Tool base securing system
Inventors:
Ward D. Morrison, Perry L. Coombs
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Jan 4, 1996
Inventors
Ward D. Morrison
Perry L. Coombs
Assignee (at issue)
Cannon 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.