Granted Patent
Utility
US 5,532,054 · App. 08/307,031
Molding material
Inventors:
Tomohita Koba, Toshiyuki Nakakura, Hideo Sakai, Misao Masuda, Satoru Kishi, Chiaki Maruko
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Sep 16, 1994
Inventors
Tomohita Koba
Toshiyuki Nakakura
Hideo Sakai
Misao Masuda
Satoru Kishi
Chiaki Maruko
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.