Granted Patent
Utility
US 5,501,368 · App. 08/371,219
Device for emptying a film tube
Inventors:
Gerd Brandhorst, Wolf-Dietrich Herold, Ralf Heiduczek
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Jan 11, 1995
Inventors
Gerd Brandhorst
Wolf-Dietrich Herold
Ralf Heiduczek
Assignee (at issue)
Thera Patent GmbH & Co KG Gesellschaft fur Industrielle Schutzrechte
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.