with means for adjustably positioning the machine on the truck

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Patents Grantslast 30 patents

Information Patent Grant
Continuous mining machine
- Patent number 4,363,519
- Issue date Dec 14, 1982
- Joy Manufacturing Company
- Thomas E. Howard
- E21 - EARTH DRILLING MINING
Information Patent Grant
3879088
- Patent number 3,879,088
- Issue date Apr 22, 1975
- E21 - EARTH DRILLING MINING
Information Patent Grant
3873159
- Patent number 3,873,159
- Issue date Mar 25, 1975
- E21 - EARTH DRILLING MINING
Information Patent Grant
3317245
- Patent number 3,317,245
- Issue date May 2, 1967
- E21 - EARTH DRILLING MINING
Information Patent Grant
2800968
- Patent number 2,800,968
- Issue date Jul 30, 1957
- E21 - EARTH DRILLING MINING
Information Patent Grant
2800969
- Patent number 2,800,969
- Issue date Jul 30, 1957
- E21 - EARTH DRILLING MINING
Information Patent Grant
2340533
- Patent number 2,340,533
- Issue date Feb 1, 1944
- E21 - EARTH DRILLING MINING
Information Patent Grant
2282749
- Patent number 2,282,749
- Issue date May 12, 1942
- E21 - EARTH DRILLING MINING
Information Patent Grant
1786244
- Patent number 1,786,244
- Issue date Dec 23, 1930
- E21 - EARTH DRILLING MINING
Information Patent Grant
1664383
- Patent number 1,664,383
- Issue date Mar 27, 1928
- E21 - EARTH DRILLING MINING