Granted Patent
Utility
US 5,289,954 · App. 07/906,219
Device for metered removal of flowable solid material
Inventors:
Hermann Bruggendick, Karl Klinginger
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Jun 25, 1992
Inventors
Hermann Bruggendick
Karl Klinginger
Assignee (at issue)
STEAG 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.