US Patent: 909,748
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Automatic Die Head
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Patentees:
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Frederick L. Brown (exact or similar names) - Scottdale, Westmoreland County, PA |
Isaac William Sprink (exact or similar names) - Scottdale, Westmoreland County, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Nov. 26, 1907 |
Granted: |
Jan. 12, 1909 |
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Joel Havens
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