Granted Patent
Utility
US 5,876,318 · App. 08/795,298
Cushioning conversion machine including a length measuring device
Inventor:
Richard O. Ratzel
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Feb 4, 1997
Inventor
Richard O. Ratzel
Assignee (at issue)
Ranpak Crop.
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.