US Patent: 2,072,951 
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| Abrading machine
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	        Patentees:
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 | Charles Johnson (exact or similar names) - Rockford, IL |  
| Joseph O. Olsen (exact or similar names) - Rockford, IL |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Jan. 17, 1934 | 
 
| Granted: | 
Mar. 09, 1937 | 
 
 
 
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                        Jeff Joslin Vintage Machinery entry for Mattison Machine Works 
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        Description: |  
| "The present invention relates to a new and improved machine adapted for removing scale or producing fine surfaces on work sheets... such as thin sheets of stainless steel..." |  
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