Granted Patent
Utility
US 6,135,939 · App. 09/150,819
Cushioning conversion machine and method
Inventors:
Michael J. Lencoski, David V. Murphy
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Sep 11, 1998
Inventors
Michael J. Lencoski
David V. Murphy
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.