| US Patent: 618,245 
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| Monkey Wrench | 
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| Patentee: |  |
 | Maschil D. Converse (exact or similar names) - New York, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | May 06, 1897 |  
| Granted: | Jan. 24, 1899 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Maschil D. Converse patent January 24, 1899 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Unique adjusting means using rollers in a looped channel. A lug on the main shank is the "fixed stop" and a toggle on the movable jaw provides an intermittent stop to hold the adjustment.
Converse's April 25, 1899 patent no. 623,946 has a similar movable jaw with a different quick adjustment means. |  |