| US Patent: D151,876 
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| Insulator Applying And Removing Hammer | 
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| Patentee: |  |
 | Harley W. Edwards (exact or similar names) - Groton, VT |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Sep. 17, 1947 |  
| Granted: | Nov. 30, 1948 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Harley W. Edwards design patent November 30, 1948 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The spread of the claws would fit below the base of porcelain "knob" electrical insulators.  The specifications cite an ESTWING hammer in a 1945 hardware catalog and patent nos. D67,749 and 779,919 as relevant prior art. |  |