| US Patent: 538,159 
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| Hack Saw Frame | 
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| Patentee: |  |
 | Joseph Fish (exact or similar names) - Chicago, IL |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jan. 10, 1895 |  
| Granted: | Apr. 23, 1895 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Joseph Fish patent April 23, 1895 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The frame provides means for tightening the blade and rotating the blade's angle in relation to the plane of the frame. The tightening mechanism is a pawl and rack.  The end of the frame includes a small alligator wrench. |  |