Granted Patent
Utility
US 4,233,013 · App. 05/906,575
Apparatus for producing continuous cured rubber strips
Inventors:
Georg G. A. Bohm, William W. Barbin
Patented Case
View Patent ↗
Granted: Nov 11, 1980
Filed: May 16, 1978
Inventors
Georg G. A. Bohm
William W. Barbin
Assignee (at issue)
The Firestone Tire & Rubber Company
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.