Granted Patent
Utility
US 5,599,146 · App. 08/244,558
Tool coupling with a radially elastically expandable coupling sleeve and a shaft with a clamping body
Inventor:
Gerhard Scheer
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: May 31, 1994
Inventor
Gerhard Scheer
Assignee (at issue)
Komet Praezisionswerkzeuge Robert Breuning GmbH
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.