Granted Patent
Utility
US 6,729,813 · App. 10/132,710
Spindlehead for tools
Inventors:
Detlef Sahm, Rolf Wezel
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Apr 26, 2002
Inventors
Detlef Sahm
Rolf Wezel
Assignee (at issue)
SAUTER FEINMECHANIK 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.