Granted Patent
Utility
US 6,433,050 · App. 09/555,285
Flame-retardant polycarbonate resin composition
Inventors:
Tadashi Shinomiya, Ichiro Sato, Masatoshi Iji, Shin Serizawa
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Jul 24, 2000
Inventors
Tadashi Shinomiya
Ichiro Sato
Masatoshi Iji
Shin Serizawa
Assignees (at issue)
Sumitomo Dow Limited
NEC 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.