| US Patent: 784,164 
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| Vibrator | 
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| Patentees: |  
 | Clarence H. Kay (exact or similar names) - Springfield, OH |  | William U. Colthar (exact or similar names) - Springfield, OH |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 31, 1904 |  
| Granted: | Mar. 07, 1905 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for Victor Vise Co.
 
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| Description: |  | This device is a vibratory massager, a quack medical device of a type popular at the time. This version is hand-powered. |  |