Granted Patent
Utility
US 6,449,813 · App. 09/866,580
Worm-driven hose clamp
Inventors:
Werner Keller, Stephan Mann, Hartmut Redemann, Willi Stichel
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: May 25, 2001
Inventors
Werner Keller
Stephan Mann
Hartmut Redemann
Willi Stichel
Assignee (at issue)
Rasmussen 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.