US Patent: 488,280
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| Micrometer Gage
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Patentee:
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| Joseph P. Lavigne (exact or similar names) - New Haven, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 18, 1892 |
| Granted: |
Dec. 20, 1892 |
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Joel Havens
"Vintage Machinery" entry for Lavigne Automatic Mfg. Co.
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Description: |
| Earle & Seymour - patent attorneys
Joseph P. Lavigne owned the Lavigne Micrometer Co. of New Haven, CT.
This invention relates to an improvement in that class of calipers or gages which are adapted to be set or to measure with the greatest accuracy, and commonly called "micrometer gages" or "calipers," the object of the invention being to adapt the gage to be readily adjusted to units of measurement, but with positive accuracy.
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