Granted Patent
Utility
US 5,763,191 · App. 08/279,715
Universal binding film
Inventors:
Wolfgang Knoll, Franz-Josef Schmitt, Christian Klein, Hans-Joachim Guder, Martha Liley, Jurgen Spinke
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Jul 25, 1994
Inventors
Wolfgang Knoll
Franz-Josef Schmitt
Christian Klein
Hans-Joachim Guder
Martha Liley
Jurgen Spinke
Assignee (at issue)
Boehringer Mannheim 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.