US Patent: 1,127,353
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Joint-Marker
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Patentees:
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Leonard S. Chelmo (exact or similar names) - Webster, WI |
John E. Chelmo (exact or similar names) - Webster, WI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 28, 1914 |
Granted: |
Feb. 02, 1915 |
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Ralph Brendler
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Description: |
This is a sheet metal version of a carpenter's "preacher", which uses
a spring joint ot tightly clasp the board being marked.
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