Granted Patent
Utility
US 5,464,232 · App. 08/201,813
Locking tool holder apparatus
Inventor:
Alex R. Chizmadia
Patented Case
View Patent ↗
Granted: Nov 7, 1995
Filed: Feb 25, 1994
Inventor
Alex R. Chizmadia
Assignee (at issue)
ILLINOIS TOOL WORKS 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.