Granted Patent
Utility
US 4,353,817 · App. 06/201,066
Polyethylene base resin composition having highly filled with an inorganic material
Inventors:
Hiroyuki Nakae, Isamu Noguchi, Morikuni Hasebe
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Apr 18, 1980
Inventors
Hiroyuki Nakae
Isamu Noguchi
Morikuni Hasebe
Assignee (at issue)
FURUKAWA ELECTRIC CO., LTD.
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.