US Patent: 1,855,461
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| Valve Spring Compressor
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Patentees:
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| Christian Tennyson (exact or similar names) - Milwaukee, WI |
| Arthur H. Yordi (exact or similar names) - Milwaukee, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 13, 1929 |
| Granted: |
Apr. 26, 1932 |
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Patent Pictures:
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Christian Tennyson & Arthur H. Yordi patent April 26, 1932 |
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Stan Schulz
Snap-On Tools Company History
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Description: |
| Valve spring compressor for "valve in head" aviation engines. It uses the pivot pin of the valve tappet lever as an anchor to the engine block.
Louis O. French - patent attorney
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