Granted Patent
Utility
US 4,710,077 · App. 06/762,255
Locking tool holder
Inventor:
Valdas S. Ramunas
Patented Case
View Patent ↗
Granted: Dec 1, 1987
Filed: Aug 5, 1985
Inventor
Valdas S. Ramunas
Assignee (at issue)
Erickson Tool Company
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.