-
-
-
Switching device
-
Patent number 7,368,676
-
Issue date May 6, 2008
-
ABB Oy
-
Harri Mattlar
-
H01 - BASIC ELECTRIC ELEMENTS
-
-
3887779
-
Patent number 3,887,779
-
Issue date Jun 3, 1975
-
H01 - BASIC ELECTRIC ELEMENTS
-
3458678
-
Patent number 3,458,678
-
Issue date Jul 29, 1969
-
H01 - BASIC ELECTRIC ELEMENTS
-
2945927
-
Patent number 2,945,927
-
Issue date Jul 19, 1960
-
H01 - BASIC ELECTRIC ELEMENTS
-
2831082
-
Patent number 2,831,082
-
Issue date Apr 15, 1958
-
H01 - BASIC ELECTRIC ELEMENTS