Granted Patent
Utility
US 5,474,802 · App. 08/267,520
Process for producing a double-layer film
Inventors:
Hiroshi Shimoda, Noriyuki Yoshihara, Yoshiyuki Kuwabara
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Jun 29, 1994
Inventors
Hiroshi Shimoda
Noriyuki Yoshihara
Yoshiyuki Kuwabara
Assignees (at issue)
ASAHI GLASS CO., LTD.
Saint-Gobain Vitrage International
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.