| US Patent: 397,794 
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| Manufacture of Wrenches | 
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| Patentee: |  |
 | Alfonso D. Gates (exact or similar names) - Cleveland, OH |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jun. 06, 1888 |  
| Granted: | Feb. 12, 1889 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Alfonso D. Gates patent February 12, 1889 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The patent describes methods to produce an adjustable nut wrench by welding or brazing forgings. The example shown in the drawings is described in patent no. 357,986. |  |