| US Patent: 1,623,290 
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| Portable saw | 
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| Patentee: |  |
 | Fred W. Wappat (exact or similar names) - Pittsburgh, PA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jul. 26, 1926 |  
| Granted: | Apr. 05, 1927 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Jeff Joslin
 Vintage Machinery entry for Fred W. Wappat
 
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| Description: |  | The chief innovation is an improved retractable guard; other improvements are a cutout in the guard so the operator can see the cut line, and a means of clearing sawdust from the cut line.This design was subsequently improved in patent 1,830,579 and patent 1,830,580. |  |