Granted Patent
Utility
US 6,015,374 · App. 08/584,092
Compact cushioning conversion machine and method using pre-folded paper
Inventors:
Cynthia S. Murphy, Richard O. Ratzel
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Jan 11, 1996
Inventors
Cynthia S. Murphy
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.