US Patent: 1,535,941
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Drill Collar
Means of securing bit to a drill spindle.
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Patentee:
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| George S. Myers (exact or similar names) - Electra, TX |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 16, 1923 |
| Granted: |
Apr. 28, 1925 |
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Patent Pictures:
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Steve Gosselin (GL)
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Description: |
| The patent drawings and text include provisions for "washing" the bit with water through passageways in the holder, but no claim is made for these provisions. |
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