US Patent: 157,134
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Improvement in sash-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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Applied: |
Apr. 04, 1874 |
Granted: |
Nov. 24, 1874 |
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Jeff Joslin Vintage Machinery entry for Rowley & Hermance Co.
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Description: |
This patent date was seen in an 1897 Rowley & Hermance catalog on a "Improved Sash Dovetailing Machine". |
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