IP Library › Granted Patent US 4,238,167
Granted Patent Utility
US 4,238,167 · App. 06/024,562

Toolholder adapter

Inventors: Dennis M. Brugger, John J. Hughes
Patented Case View Patent ↗
Granted: Dec 9, 1980 Filed: Mar 28, 1979
Inventors
Dennis M. Brugger
John J. Hughes
Assignee (at issue)
Kearney & Trecker 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,238,167
App. No.
06/024,562
Filed
1979-03-28
Granted
1980-12-09
Kind
A