Granted Patent
Utility
US 6,685,409 · App. 10/068,162
Screw and captive work supporting element
Inventors:
Mario Braun, Wolfgang Sommer
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Feb 5, 2002
Inventors
Mario Braun
Wolfgang Sommer
Assignee (at issue)
KAMAX-Werke Rudolf Kellermann 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.