US Patent: 35,159
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Improvement in Joiners' Squares
Framing Square
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Patentee:
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| John Iseman (exact or similar names) - Rosston, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
May 06, 1862 |
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Ralph Brendler
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Description: |
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This is yet another framing square patent that uses a second sliding arm
to allow it to mark off specific angles for rafters and stairs. It is very
similar to the Shanklin (11,841 - 10/24/1854) and Whipple (14,329 -
2/23/1856) patents.
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