Granted Patent
Utility
US 6,367,312 · App. 09/380,064
Apparatus for inspecting container for leakage of liquid
Inventors:
Tetsuo Yamagishi, Katsutoshi Minai, Hiroshi Hashimoto
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Aug 25, 1999
Inventors
Tetsuo Yamagishi
Katsutoshi Minai
Hiroshi Hashimoto
Assignees (at issue)
Sapporo Breweries Limited
SUNTORY HOLDINGS LIMITED
Toa Manufacturing Company
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.