Granted Patent
Utility
US 6,766,046 · App. 09/403,023
Plate glass shatter testing method, device, imaging method for glass testing and image signal processing method
Inventors:
Hitoshi Saito, Tetsuo Tajima
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Dec 29, 1999
Inventors
Hitoshi Saito
Tetsuo Tajima
Assignees (at issue)
ASAHI GLASS CO., LTD.
NIPPON CONTROL SYSTEM CORPORATION
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.