US Patent: 129,892
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| Improvement in Saw Sets
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Patentee:
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| Conrad Keller (exact or similar names) - Schenectady, NY |
| USPTO Classifications: |
| 76/64 |
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Patent Dates:
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| Granted: |
Jul. 30, 1872 |
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Russ Allen.
The Saw Set Collectors Resource
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Description: |
| The tooth set is oblong with a triangular cross section and can be positioned.
Examples are marked: C. CROISSANT & BRO/PATd MAY 30, 1872/& AUG 5 1884. Both of these dates are invalid patent dates |
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