Lazy-tongs mechanisms

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Patents Grantslast 30 patents

Information Patent Grant
Lifting and positioning device
- Patent number 6,010,299
- Issue date Jan 4, 2000
- Ronald M. Jesswein
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
3844467
- Patent number 3,844,467
- Issue date Oct 29, 1974
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
3685798
- Patent number 3,685,798
- Issue date Aug 22, 1972
- E04 - BUILDING
Information Patent Grant
2974929
- Patent number 2,974,929
- Issue date Mar 14, 1961
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
2830854
- Patent number 2,830,854
- Issue date Apr 15, 1958
- E04 - BUILDING
Information Patent Grant
2829928
- Patent number 2,829,928
- Issue date Apr 8, 1958
- E04 - BUILDING
Information Patent Grant
2826461
- Patent number 2,826,461
- Issue date Mar 11, 1958
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
2818567
- Patent number 2,818,567
- Issue date Jan 7, 1958
- E04 - BUILDING
Information Patent Grant
2781236
- Patent number 2,781,236
- Issue date Feb 12, 1957
- E04 - BUILDING
Information Patent Grant
2713520
- Patent number 2,713,520
- Issue date Jul 19, 1955
- E04 - BUILDING
Information Patent Grant
2468230
- Patent number 2,468,230
- Issue date Apr 26, 1949
- E04 - BUILDING