US Patent: 1,470,683
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| Screw Cutting Machine
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Patentee:
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| Rudolph A. Boehm (exact or similar names) - Erie, Erie County, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 07, 1922 |
| Granted: |
Oct. 16, 1923 |
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Joel Havens
"Vintage Machinery" entry for Rickert-Shafer Co.
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Description: |
| Claim:
The object of my invention is to provide suitable mechanism adapted to be placed upon a lathe, which will cut threads upon a rod at a plurality of points in the length thereof simultaneously. |
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