US Patent: 327,641 
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	        Patentees:
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 | George S. Forrest (exact or similar names) - Concord, NH |  
| George W. Abbott (exact or similar names) - Concord, NH |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
May 14, 1885 | 
 
| Granted: | 
Oct. 06, 1885 | 
 
 
 
USPTO (New site tip) Google Patents 
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                        Jeff Joslin 
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        Description: |  
| An example is reported, stamped "OTIS SMITH / ROCKFALL, CONN / PAT.OCT.6.85". |  
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