Granted Patent
Utility
US 4,654,955 · App. 06/524,405
Tool changer mechanism for machining centers
Inventor:
Gerald W. Mathie
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Aug 12, 1983
Inventor
Gerald W. Mathie
Assignee (at issue)
The Valeron Corporation
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.