Title:
Industrial drilling tools
United States Patent 2712988
US Patent References:
Diamond tool and method of making the same
- - 2410512
Abrasive tool and method of making same
- - 2582231
Hard metal compositions
- - 2607676
Method of making a porous sintered carbide tool
- - 2630383
Diamond tool and method of making the same
- - 2410512
Abrasive tool and method of making same
- - 2582231
Hard metal compositions
- - 2607676
Method of making a porous sintered carbide tool
- - 2630383
Inventors:
Jacob, Kurtz
Publication Date:
07/12/1955
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Export Citation:
Assignee:
Jacob, Kurtz
Primary Class:
Other Classes:
75/236, 420/457, 419/15, 75/237, 76/DIG.012, 175/435, 76/101.100, 51/309, 428/932
International Classes:
B23P5/00