Granted Patent
Utility
US 5,714,220 · App. 08/568,796
Container composed of a saturated polyester resin composition
Inventors:
Tsuyoshi Kage, Koji Takahashi, Hideki Sakai, Takashi Hiraoka
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: Dec 7, 1995
Inventors
Tsuyoshi Kage
Koji Takahashi
Hideki Sakai
Takashi Hiraoka
Assignees (at issue)
Mitsui Petrochemical Industries, Ltd.
KIRIN BEER KABUSHIKI KAISHA
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.