US Patent: 377,867
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Draftsman's Compass
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Patentee:
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Joshua Stevens (exact or similar names) - Chicopee Falls, MA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jun. 23, 1887 |
Granted: |
Feb. 14, 1888 |
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Joel Havens
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Description: |
This patent is for the pencil holder and the means of adjusting it.
These Spring calipers were introduced in 1888 and incorporated the features from patents, 337,531, 351474, 377,867 and 377868. The Square leg style was offered under the "IDEAL" label and the flat leg version under the "Leader" label. |
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