Granted Patent
Utility
US 5,836,538 · App. 08/771,044
Cushioning conversion system with stock roll lifter
Inventors:
Michael J. Lencoski, Alvin Wells
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Dec 20, 1996
Inventors
Michael J. Lencoski
Alvin Wells
Assignee (at issue)
Ranpak Corp.
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.