US Patent: 450,214
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Camera
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Patentees:
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Thomas H. Blair (exact or similar names) - Boston, Suffolk County, MA |
John H. Crowell (exact or similar names) - Vineyard Haven, Dukes County, MA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 09, 1890 |
Granted: |
Apr. 14, 1891 |
Patent Pictures:
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Joel Havens
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