| US Patent: 3,251,150 
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| Identifying Means for Tools | 
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| Patentees: |  
 | 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: |  
| Applied: | Mar. 30, 1959 |  
| Granted: | May 17, 1966 |  USPTO (New site tip)
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                        Joel Havens
 "Vintage Machinery" entry for Kearney & Trecker Co.
 
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| Description: |  | Continuation of application dated 30 Mar 1959, now patent #3,052,999. This application 28 Aug 1962. The portion of the term of the patent subsequent to 11 Sept, 1979, has been disclaimed. |  |