US Patent: D28,512
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Wrench Frame
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Patentee:
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Robert Cosmos Ellrich (exact or similar names) - Southington, CT |
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Patent Dates:
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Applied: |
Dec. 23, 1896 |
Granted: |
Apr. 26, 1898 |
Patent Pictures:
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Robert C. Ellrich design patent April 26, 1898 |
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Stan Schulz
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Description: |
The design shows the fixed jaw and shank of a bicycle wrench; the shank has a slot running the length of travel for the movable jaw, and teeth for the operation of an adjusting worm on the movable jaw.
The form was used in the SNUGFIT bicycle wrench, marketed in 1897. |
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