Granted Patent
Utility
US 4,358,888 · App. 06/197,641
Automatic tool changer with internal tool storage magazine
Inventors:
Frank Zankl, Charles B. Sipek, Alvin L. Cleek
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: Oct 16, 1980
Inventors
Frank Zankl
Charles B. Sipek
Alvin L. Cleek
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.