US Patent: 116,805
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Improvement in Combined Gauges and Try Squares
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Patentee:
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Frederic Castle (exact or similar names) - Montana, IA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Jul. 11, 1871 |
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Ralph Brendler
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Description: |
Frederic Castle here improves his original design (112,780 - 3/21/1871)
by adding a stabilizer to prevent it from rocking in use.
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