Granted Patent
Utility
US 5,743,312 · App. 08/629,630
Component mixing apparatus and system including a movable cannula
Inventors:
Thomas Joseph Pfeifer, Dietmar Weitzel, Wolfgang Kneip, Bernhard Vohwinkel, Axel von Brand
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Apr 9, 1996
Inventors
Thomas Joseph Pfeifer
Dietmar Weitzel
Wolfgang Kneip
Bernhard Vohwinkel
Axel von Brand
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.