Granted Patent
Utility
US 5,321,087 · App. 07/916,803
Preparation process of thermoplastic resin composite
Inventors:
Naoya Ogata, Takehisa Nakanishi, Tadashi Asanuma
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Jul 22, 1992
Inventors
Naoya Ogata
Takehisa Nakanishi
Tadashi Asanuma
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.