Granted Patent
Utility
US 4,306,350 · App. 06/149,124
Automatic tool changer and tool storage arrangement for machine tool
Inventors:
Ervin J. Kielma, Frank Dailey
Patented Case
View Patent ↗
Granted: Dec 22, 1981
Filed: May 12, 1980
Inventors
Ervin J. Kielma
Frank Dailey
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.