Granted Patent
Utility
US 4,986,485 · App. 07/358,975
Automatic foil change unit
Inventors:
Pierre Soubrier, Frank Bochtler
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: May 26, 1989
Inventors
Pierre Soubrier
Frank Bochtler
Assignee (at issue)
Baxter International Inc.
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.