Granted Patent
Utility
US 6,537,054 · App. 09/764,355
Apparatus for producing expansion-molded article
Inventors:
Takashi Kitahama, Masato Naito, Ryo Kikusawa
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Jan 19, 2001
Inventors
Takashi Kitahama
Masato Naito
Ryo 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.