US Patent: 246,831
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| Adjustable Siding Square or Hook
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Patentees:
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| Charles W. Spickerman (exact or similar names) - Winnebago City, MN |
| Jeremy R. Martin (exact or similar names) - Winnebago City, MN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 10, 1881 |
| Granted: |
Sep. 06, 1881 |
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Ralph Brendler
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Description: |
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This is a specialized clapboard marker designed to allow a "gain" to be marked
on the board. This supposedly allows the tool to handle warped or out-of-square
corner boards.
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