by axially- moving balls, rollers, or the like

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Patents Grantslast 30 patents

Information Patent Grant
Force transmission device
- Patent number 4,431,348
- Issue date Feb 14, 1984
- Franz Powondra
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
2348611
- Patent number 2,348,611
- Issue date May 9, 1944
- E21 - EARTH DRILLING MINING
Information Patent Grant
2283082
- Patent number 2,283,082
- Issue date May 12, 1942
- E21 - EARTH DRILLING MINING
Information Patent Grant
2221376
- Patent number 2,221,376
- Issue date Nov 12, 1940
- E21 - EARTH DRILLING MINING
Information Patent Grant
1620913
- Patent number 1,620,913
- Issue date Mar 15, 1927
- E21 - EARTH DRILLING MINING
Information Patent Grant
1414541
- Patent number 1,414,541
- Issue date May 2, 1922
- E21 - EARTH DRILLING MINING
Information Patent Grant
1374510
- Patent number 1,374,510
- Issue date Apr 12, 1921
- E21 - EARTH DRILLING MINING
Information Patent Grant
1370140
- Patent number 1,370,140
- Issue date Mar 1, 1921
- E21 - EARTH DRILLING MINING