Granted Patent
Utility
US 5,914,188 · App. 08/832,676
Coated aliphatic polyester film
Inventors:
Naoki Kobayashi, Shuhei Ikado, Akira Kawano, Takayuki Kuroki, Hirotaka Wanibe
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Apr 9, 1997
Inventors
Naoki Kobayashi
Shuhei Ikado
Akira Kawano
Takayuki Kuroki
Hirotaka Wanibe
Assignee (at issue)
MITSUI CHEMICALS, INC.
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.