US Patent: 1,444,824
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| Plow Clevis
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Patentee:
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| William E. Ballard (exact or similar names) - Birmingham, AL |
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Patent Dates:
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| Applied: |
Feb. 23, 1921 |
| Granted: |
Feb. 13, 1923 |
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Patent Pictures:
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1 | 2
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Patent 1,444,824 - edited drawing |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
| The design includes an "alligator wrench" headed pin, and provision for adjustable draft, arranged so the selected draft is retained.
Known example marked " PAT FEB 23 - 21 " with a manufacturer's logo. |
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