Granted Patent
Utility
US 4,603,536 · App. 06/697,532
Apparatus for forming a web of film into a tubular shape in a form, fill and seal packaging machine
Inventor:
Roland De La Poype
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Feb 1, 1985
Inventor
Roland De La Poype
Assignees (at issue)
Societe D'Etude et D'Application Industrielle de Brevets
Baxter Travenol Laboratories, 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.