-
Theft checking system
-
Patent number 5,995,005
-
Issue date Nov 30, 1999
-
Maspro Denkoh Company, Ltd.
-
Michinari Hayashi
-
G08 - SIGNALLING
-
Theft checking system
-
Patent number 5,973,597
-
Issue date Oct 26, 1999
-
Maspro Denkoh, Co., Ltd.
-
Michinari Hayashi
-
G08 - SIGNALLING
-
Theft checking system
-
Patent number 5,801,631
-
Issue date Sep 1, 1998
-
Maspro Denkoh Co., Ltd.
-
Michinari Hayashi
-
G08 - SIGNALLING