US Patent: 120,594
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| Improvement in dovetailing-machines
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Patentees:
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| George Zimmer (exact or similar names) - Williamsport, PA |
| Oscar J. Pennell (exact or similar names) - Williamsport, PA |
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Patent Dates:
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| Granted: |
Nov. 07, 1871 |
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Jeff Joslin
Vintage Machinery entry for Rowley & Hermance Co.
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Description: |
| This patent date was seen in 1897 Rowley & Hermance catalog on an "Improved Sash Dovetailing Machine", and this patent seems to be the only one that fits. It helps that the inventors are from the same town as Rowley & Hermance. |
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