Granted Patent
Utility
US 5,377,520 · App. 08/109,250
Method and device for inserting sheet bars into drawing tools
Inventors:
Volker Thoms, Ulrich Harthun, Stefan Kienzle, Klaus Siegert
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Aug 20, 1993
Inventors
Volker Thoms
Ulrich Harthun
Stefan Kienzle
Klaus Siegert
Assignee (at issue)
MERCEDES-BENZ GROUP AG
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.