US Patent: 1,795,358 
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| Tool for spinning angular flanges on metal tubes
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	        Patentee:
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 | William E. Arndt (exact or similar names) - Detroit, MI |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Oct. 24, 1929 | 
 
| Granted: | 
Mar. 10, 1931 | 
 
 
 
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                        Jeff Joslin 
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        Description: |  
| The assignee made refrigeration systems; in 1932 Imperial Brass Mfg. Co. acquired all rights to their line of tubing tools. We have a report of a tool marked with this patent number along with the name of the Imperial Brass Mfg. Co. |  
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