Granted Patent
Utility
US 5,746,347 · App. 08/697,857
Method and apparatus for dispensing particles from a container
Inventors:
Thomas Riedemann, Richard F. Cavagnaro, Klaus W. Rolf, Hans-Juergen Strempel, Guenther Michael, Gerd Brand, Andreas Ernst, Roland Schaffer, Herbert Riemenschneider
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Sep 3, 1996
Inventors
Thomas Riedemann
Richard F. Cavagnaro
Klaus W. Rolf
Hans-Juergen Strempel
Guenther Michael
Gerd Brand
Andreas Ernst
Roland Schaffer
Herbert Riemenschneider
Assignee (at issue)
Degussa AG
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.