US Patent: 429,939
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Valve-reseating machine
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Patentee:
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Charles L. Morse (exact or similar names) - Athol, MA |
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Patent Dates:
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Applied: |
Mar. 15, 1890 |
Granted: |
Jun. 10, 1890 |
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Jeff Joslin Vintage Machinery entry for Leavitt Machine Co.
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Description: |
This patent was not explicitly identified as assigned to Leavitt Machine Co., but we have seen a Leavitt chuck matching this design and bearing this patent date. Leavitt subsequently patented several improvements to this design, including patents 814,418 and 865,739. |
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