Granted Patent
Utility
US 5,968,430 · App. 08/995,163
Process for producing an expansion-molded article
Inventors:
Masato Naito, Takashi Kitahama, Keigo Narita, Ryou Kikusawa
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Dec 19, 1997
Inventors
Masato Naito
Takashi Kitahama
Keigo Narita
Ryou Kikusawa
Assignee (at issue)
JSP 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.