US Patent: 921,068 
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| Punching or Shearing Machine
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	        Patentees:
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 | Charles A. Bertsch (exact or similar names) - Cambridge City, Wayne County, IN |  
| Hermann Schelhammer (exact or similar names) - Cambridge City, Wayne County, IN |  
| Lawrence H. Bertsch (exact or similar names) - Cambridge City, Wayne County, IN |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Jul. 02, 1908 | 
 
| Granted: | 
May 11, 1909 | 
 
 
 
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                        Joel Havens "Vintage Machinery" entry for Bertsch & Co. 
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