US Patent: 2,570,991
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| Self-adjusting wrench for nuts or like polygonal objects
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Patentee:
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| Mogens Fin Stellinger (exact or similar names) - Copenhagen, Denmark |
| USPTO Classifications: |
| 81/91 |
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Patent Dates:
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| Applied: |
Jun. 10, 1949 |
| Granted: |
Oct. 09, 1951 |
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Patent Pictures:
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Patent 2,570,991 - edited from PATENT GAZETTE |
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Stan Schulz
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Description: |
| Drawings and description vary from comparable Danish patent DK-69670 / British patent GB-629,209. The differences are mentioned in the description. Produced in several European countries, marked with the Danish patent number, but conforming to the design in this version and British patent GB-645,532. |
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