Granted Patent
Utility
US 4,490,325 · App. 06/528,190
Process for multi-stage dead-end-water tire curing
Inventors:
William F. Mattson, Dennis L. Trapp
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Aug 31, 1983
Inventors
William F. Mattson
Dennis L. Trapp
Assignee (at issue)
B. F. Goodrich 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.