Granted Patent
Utility
US 4,512,709 · App. 06/516,972
Robot toolchanger system
Inventors:
Daniel M. Hennekes, Richard A. Kolde, David E. Suica
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Jul 25, 1983
Inventors
Daniel M. Hennekes
Richard A. Kolde
David E. Suica
Assignee (at issue)
Cincinnatti Milacron Inc.
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.