-
-
-
-
3773153
-
Patent number 3,773,153
-
Issue date Nov 20, 1973
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
3747731
-
Patent number 3,747,731
-
Issue date Jul 24, 1973
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
3057442
-
Patent number 3,057,442
-
Issue date Oct 9, 1962
-
B66 - HOISTING LIFTING HAULING
-
2753959
-
Patent number 2,753,959
-
Issue date Jul 10, 1956
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
1786132
-
Patent number 1,786,132
-
Issue date Dec 23, 1930
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...