US Patent: 632,286
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Plumb Bob
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Patentee:
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Albert A. Snebold (exact or similar names) - Natrona, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 27, 1899 |
Granted: |
Sep. 05, 1899 |
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Russ Allen.
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Description: |
Suspension cord is kept within the bob and can be extended/retracted by twisting a serrated collar. |
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