Granted Patent
Utility
US 6,096,417 · App. 09/173,739
Composite material having polypropylene resin molded body and polypropylene resin foamed body and method of producing same
Inventors:
Satoru Shioya, Mitsuru Shinohara, Hisao Tokoro
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Oct 16, 1998
Inventors
Satoru Shioya
Mitsuru Shinohara
Hisao Tokoro
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.