Granted Patent
Utility
US 6,568,533 · App. 09/719,692
Peelable package and peelable packaging method
Inventors:
Nobuyoshi Tanaka, Naoru Hamaguchi, Shuji Morimoto
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Dec 15, 2000
Inventors
Nobuyoshi Tanaka
Naoru Hamaguchi
Shuji Morimoto
Assignee (at issue)
Takeda Chemical Industries Ltd.
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.