Granted Patent
Utility
US 5,440,863 · App. 08/047,010
Bagger
Inventors:
Chiyoshi Toya, Tokuo Tanaka, Yoshinori Tanaka
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Apr 14, 1993
Inventors
Chiyoshi Toya
Tokuo Tanaka
Yoshinori Tanaka
Assignee (at issue)
HOSHIZAKI DENKI 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.