Granted Patent
Utility
US 4,990,207 · App. 07/351,533
Process for preparing fiber-reinforced thermoplastic molded articles
Inventors:
Hideo Sakai, Toshiyuki Nakakura, Satoru Kishi
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: May 15, 1989
Inventors
Hideo Sakai
Toshiyuki Nakakura
Satoru Kishi
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.