for vertical shaft transport

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Patents Grantslast 30 patents

Information Patent Grant
3499564
- Patent number 3,499,564
- Issue date Mar 10, 1970
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
3195684
- Patent number 3,195,684
- Issue date Jul 20, 1965
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
3182751
- Patent number 3,182,751
- Issue date May 11, 1965
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
2937773
- Patent number 2,937,773
- Issue date May 24, 1960
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
1928139
- Patent number 1,928,139
- Issue date Sep 26, 1933
- B66 - HOISTING LIFTING HAULING