| US Patent: 898,990 
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| Wrench | 
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| Patentee: |  |
 | Augustus T. Raiford (exact or similar names) - New York, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jun. 13, 1907 |  
| Granted: | Sep. 15, 1908 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Augustus T. Raiford patent Sept. 15, 1908 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Ratchet wrench with worm gear and rack adjustable jaw "crows-foot" type design. The back side of the ratchet head has a knob to hold the wrench in place, and the ratchet head has a hollow center. |  |