-
-
3789681
-
Patent number 3,789,681
-
Issue date Feb 5, 1974
-
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
-
3780518
-
Patent number 3,780,518
-
Issue date Dec 25, 1973
-
G04 - HOROLOGY
-
3754476
-
Patent number 3,754,476
-
Issue date Aug 28, 1973
-
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
-
3744326
-
Patent number 3,744,326
-
Issue date Jul 10, 1973
-
G04 - HOROLOGY
-
3469462
-
Patent number 3,469,462
-
Issue date Sep 30, 1969
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
3377874
-
Patent number 3,377,874
-
Issue date Apr 16, 1968
-
G04 - HOROLOGY
-
3257794
-
Patent number 3,257,794
-
Issue date Jun 28, 1966
-
G04 - HOROLOGY
-
3065645
-
Patent number 3,065,645
-
Issue date Nov 27, 1962
-
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER