| US Patent: 510,981 
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| Combination Tool Improved Combination Spanner and Locking Tool For Nuts and Bolts
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| Patentee: |  |
 | George Massey (exact or similar names) - Sydney, New South Wales Australia |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Aug. 12, 1893 |  
| Granted: | Dec. 19, 1893 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | George Massey patent December 19, 1893 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The combination is open end wrenches, a handle sleeve, and a chisel or punch for deforming bolt threads. A "T" handled set screw in the tube holds some of the parts in place. The tool is intended for work on railroad fish plate bolts. |  |