US Patent: 1,226,029
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Clamp Foundry flask clamp
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Patentee:
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| Fredrick P. Tessmer (exact or similar names) - Detroit, MI |
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Patent Dates:
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| Applied: |
Feb. 23, 1916 |
| Granted: |
May 15, 1917 |
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Russ Allen
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Description: |
| A clamp matching this patent date has been observed with the following markings: Lightning Flash Clamp
Mfg. by Tessmer Machine & Tool Co.; Detroit Michigan |
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