Granted Patent
Utility
US 6,792,790 · App. 10/169,649
Arrangement for removing dents in sheet metal
Inventor:
Olaf Ritter
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Sep 5, 2002
Inventor
Olaf Ritter
Assignee (at issue)
ADOLF WÜRTH GMBH & CO. KG
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.