Granted Patent
Utility
US 5,456,746 · App. 08/153,519
Hard film composition for capsules
Inventors:
Toshio Kokubun, Hiroshi Ohnuki, Toyokazu Shimizu
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Nov 16, 1993
Inventors
Toshio Kokubun
Hiroshi Ohnuki
Toyokazu Shimizu
Assignee (at issue)
WARNER-LAMBERT COMPANY LLC
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.