| US Patent: 2,810,311 
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| Threaded-Closure-Turning Tool | 
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| Patentee: |  |
 | Webster Deroyce Smith (exact or similar names) - Palos Verdes Estates, CA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jan. 06, 1955 |  
| Granted: | Oct. 22, 1957 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | W. D. Smith patent Oct. 22, 1957 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Opposite facing "alligator" type grippers with holes for mounting to a surface. This would function as a "wrench" for screw cap containers.
U.S. patent numbers 802,018, 1,707,804, 2,053,246 and British patent number GB-614,982 are cited as references. |  |