Granted Patent
Utility
US 4,581,083 · App. 06/435,009
Roll product tail securing system
Inventors:
Rudolph W. Schutz, Rudolf R. Weis
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Oct 18, 1982
Inventors
Rudolph W. Schutz
Rudolf R. Weis
Assignee (at issue)
Crown Zellerbach Corporation
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.