Granted Patent
Utility
US 6,162,843 · App. 09/043,276
Crosslinking of polypropylene polymers by irradiation
Inventors:
Harold Fisher, Richard Jones, Jr., Ian MacMillan Ward
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Sep 11, 1998
Inventors
Harold Fisher
Richard Jones, Jr.
Ian MacMillan Ward
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.