| US Patent: 373,580 
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| Pocket Knife | 
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| Patentee: |  |
 | Eben Moody Boynton (exact or similar names) - West Newbury, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Apr. 21, 1886 |  
| Granted: | Nov. 22, 1887 |  USPTO (New site tip)
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                        Russ Allen.
 
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| Description: |  | Locking mechanism for a pocket knife.  Sliding blade with a spring catch and a notch.
Reported to be marketed by Harvey W. Peace Co in DAT.  Inventor is the same Boynton of Lightning Saw fame. |  |