Granted Patent
Utility
US 5,891,949 · App. 08/850,811
Natural rubber compound
Inventors:
Larry R. Evans, William C. Fultz
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: May 2, 1997
Inventors
Larry R. Evans
William C. Fultz
Assignee (at issue)
J.M. Huber Corporation
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.