| US Patent: 761,797 
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| Wrench | 
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| Patentee: |  |
 | Frank W. Vogel (exact or similar names) - Santa Monica, CA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Nov. 23, 1903 |  
| Granted: | Jun. 07, 1904 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Frank W. Vogel patent June 7, 1904 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Inter-connected duplex wrench with pivoted links so that jaws will grip and release. |  |