US Patent: 3,054,333
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| Machine Tool Indexing and Pallet Clamping Mechanism
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Patentees:
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| Wallace E. Brainard (exact or similar names) - Milwaukee, Milwaukee County, WI |
| John A. Hansen (exact or similar names) - Greendale, Milwaukee County, WI |
| Robert K. Sedgwick (exact or similar names) - Waukesha, Waukesha County, WI |
| Charles B. Sipek (exact or similar names) - Hales Corners, Milwaukee County, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 27, 1958 |
| Granted: |
Sep. 18, 1962 |
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Joel Havens "Vintage Machinery" entry for Kearney & Trecker Co.
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