| US Patent: 150,180 
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| Improvement in vises | 
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| Patentee: |  |
 | Edward L. Morris (exact or similar names) - Boston, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Oct. 20, 1873 |  
| Granted: | Apr. 28, 1874 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Carl Matthews
 
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| Description: |  | A novel type of quick-adjust mechanism, where a handwheel is spun to perform the quick adjustment of the jaws, and a tightening lever is used to do the last tightening and loosening. That tightening level hangs freely when not in use. |  |