| US Patent: 439,336 
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| Combination Tool | 
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| Patentee: |  |
 | George Zitlow (exact or similar names) - Tacoma, WA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Apr. 12, 1890 |  
| Granted: | Oct. 28, 1890 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | George Zitlow patent October 28, 1890 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The combination is hammer, nail claw, screw-driver, pipe wrench, and nut wrench. Part of the handle is hinged, with stops to enable it to fold at 90 degrees. In that form it would function as a crank wrench. |  |