US Patent: 1,588,504
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| Valve Lifter
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Patentee:
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| Joseph Sunnen (exact or similar names) - St. Louis, MO |
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Patent Dates:
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| Applied: |
Oct. 07, 1924 |
| Granted: |
Jun. 15, 1926 |
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Patent Pictures:
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Joseph Sunnen patent June 15, 1926 |
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Stan Schulz
Sunnen history (sunnen.com)
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Description: |
| The jaw widths are adjustable; the slide locks the mechanism in its extended position. The parts are metal stampings. Appears in 1925 and 1927 automobile trade publications and catalogs.
The patent represents Joseph Sunnen's initial foray into tool production.
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