CA Patent: CA-231,927
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| Spud Wrench
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Patentee:
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| Charles G. Tengdin (exact or similar names) - Kankakee, IL U.S.A. |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 18, 1922 |
| Granted: |
Jun. 12, 1923 |
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Patent Pictures:
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Canadian patent 231,927- edited from CANADIAN PATENT OFFICE RECORD |
CIPO Data
Espacenet patent
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Stan Schulz
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Description: |
| Canadian patent corresponding to U.S. patent 1,369,143, for an expanding wrench to grip the interior surfaces of cylindrical "spuds, thimbles, etc." |
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