Granted Patent
Utility
US 5,283,284 · App. 07/889,813
Polypropylene-polyphthalamide blends
Inventors:
Gary T. Brooks, Brian L. Joss, Charles L. Myers
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: May 29, 1992
Inventors
Gary T. Brooks
Brian L. Joss
Charles L. Myers
Assignee (at issue)
Amoco 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.