Granted Patent
Utility
US 6,464,474 · App. 09/808,109
Nonrespiratory diaphragm chucking
Inventor:
Eberhard Schluecker
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Mar 15, 2001
Inventor
Eberhard Schluecker
Assignee (at issue)
LEWA Herbert Ott 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.