Granted Patent
Utility
US 4,405,532 · App. 06/307,405
Methods for storage of guayule plant material
Inventors:
Richard Gutierrez, Edward L. Kay, David J. Serbin
Patented Case
View Patent ↗
Granted: Sep 20, 1983
Filed: Oct 1, 1981
Inventors
Richard Gutierrez
Edward L. Kay
David J. Serbin
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.