| US Patent: 1,281,149 
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| Clamp-clutch device Power hacksaw
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| Patentee: |  |
 | Charles H. Driver (exact or similar names) - Racine, WI |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Nov. 15, 1917 |  
| Granted: | Oct. 08, 1918 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for Racine Tool & Machine Co.
 
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| Description: |  | "...the invention relates to improved clamp clutch devices for use in connections with power hack saws, such as is disclosed in my co-pending application, Serial No. 177,664, filed June 29, 1917..." That co-pending application would become patent 1,282,394. See also patents 1,280,341, 1,296,933, and 1,302,643. |  |