US Patent: 953,863
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Combination Attachment for Tools
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Patentee:
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David E. Shaw (exact or similar names) - Milwaukee, WI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 23, 1909 |
Granted: |
Apr. 05, 1910 |
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Russ Allen.
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Description: |
Graduated attachment for straight edge tools with two independent moving members for use as a try square or mitre square. |
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