Granted Patent
Utility
US 5,637,367 · App. 08/124,531
Transparent impact-resistant molded articles
Inventors:
Tadashi Asanuma, Tateyo Sasaki, Shosuke Nakanishi, Takeo Inoue
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Sep 22, 1993
Inventors
Tadashi Asanuma
Tateyo Sasaki
Shosuke Nakanishi
Takeo Inoue
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.