Granted Patent
Utility
US 4,698,898 · App. 06/682,209
Machine tool with tool changing device
Inventor:
Wilfried Horsch
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Dec 17, 1984
Inventor
Wilfried Horsch
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.