Granted Patent
Utility
US 6,176,818 · App. 09/209,678
Cushioning conversion machine cushioning conversion method and method of assembling a cushioning conversion machine
Inventors:
James A. Simmons, Richard O. Ratzel
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Dec 11, 1998
Inventors
James A. Simmons
Richard O. Ratzel
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.