US Patent: 2,829,436
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| Centering Gauge
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Patentee:
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| Henry E. Lehnwebber (exact or similar names) - Endicott, WA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 23, 1955 |
| Granted: |
Apr. 08, 1958 |
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Ralph Brendler
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Description: |
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This is a center marking gage that borrows the same trick used by the
Kenny's patent gage (98,504) and many others-- a threaded rod with
one side using right-hand threads and one using left-hand threads.
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