Granted Patent
Utility
US 4,780,029 · App. 06/828,583
Adjustable tool holder
Inventor:
Hans W. Beck
Patented Case
View Patent ↗
Granted: Oct 25, 1988
Filed: Feb 10, 1986
Inventor
Hans W. Beck
Assignee (at issue)
GTE 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.