| US Patent: 3,078,565 
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| Magnetic chuck adapter plate | 
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| Patentee: |  |
 | Joseph A. Sanders (exact or similar names) - Detroit, MI |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jul. 29, 1957 |  
| Granted: | Feb. 26, 1963 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for Goddard & Goddard Co.
 
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| Description: |  | The invention is a plate suitable for clamping to a magnetic chuck, so that the plate can be machined to accept a ferromagnetic part that is not shaped in a way that can be directly held by a standard magnetic chuck. The innovations primarily relate to a construction that is less expensive to manufacture than previous designs. |  |