Granted Patent
Utility
US 5,630,686 · App. 08/458,204
Support device with nut assembly
Inventor:
Peter Billmann
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Jun 2, 1995
Inventor
Peter Billmann
Assignee (at issue)
Sukosim Sicherheitsmuttern Verbindungselemente GmbH & Co.
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.