Granted Patent
Utility
US 4,759,244 · App. 06/452,892
Adjustable quick change tool holder
Inventor:
Eddy Engibarov
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Dec 27, 1982
Inventor
Eddy Engibarov
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.