US Patent: 1,668,245
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| Crank Case Implement
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Patentee:
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| Harold A. McGowan (exact or similar names) - Davenport, WA |
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Patent Dates:
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| Applied: |
Jan. 31, 1927 |
| Granted: |
May 01, 1928 |
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Patent Pictures:
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Harold A. McGowan patent May 1, 1928 |
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Stan Schulz
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Description: |
| Funnel with internal rotating multi-head socket wrench -- the sockets corresponding to common sizes and styles of crankcase oil drain plugs. One "arm" is a standard socket driving square for attachment of additional sockets as needed.
A surviving example of the wrench (without the funnel) is marked with U.S. patent number 1,668,245 & corresponding Canadian patent CA-293,704. |
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