Granted Patent
Utility
US 6,409,446 · App. 09/717,159
Vibration-damping detachable connection arrangement for two components with a rotating bolt, a retaining spring and a vibration-damping ring
Inventor:
Helmut Schwarz
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Nov 22, 2000
Inventor
Helmut Schwarz
Assignee (at issue)
Schwarz Verbindungs-Systeme 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.