| US Patent: 162,698 
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| Improvement in machines for shaping tobacco-pipe bowls | 
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| Patentees: |  
 | John Schneider (exact or similar names) - Philadelphia, PA |  | Leonard Uilting (exact or similar names) - Philadelphia, PA |  
 
| USPTO Classifications: |  | 142/55, 144/115, 144/129, 144/134.1, 144/137, 144/240, 144/278.1, 279/97, 409/145, 451/404, 451/405 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jul. 31, 1874 |  
| Granted: | Apr. 27, 1875 |  USPTO (New site tip)
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                        Jeff Joslin
 
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