| US Patent: 13,489 
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| Vise Woodworker's Leg Vise
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| Patentees: |  
 | Robert W. Davis (exact or similar names) - Yellow Springs, OH |  | Daniel Davis (exact or similar names) - Yellow Springs, OH |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Aug. 28, 1855 |  USPTO (New site tip)
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                        Carl Matthews
 
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| Description: |  | Researcher Todd Werts says "These vises won $5 and a diploma at the 1856 Pennsylvania State Fair for "6 parallel vices."  They also won a diploma for "2 wooden parallel vices."  **Note that they are listed in the fair as "R. H. & D. Davis." |  |