US Patent: 1,578,866 
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| Locking device and tool
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	        Patentee:
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 | Donald B. Swain (exact or similar names) - Millers Falls, MA |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Jul. 11, 1923 | 
 
| Granted: | 
Mar. 30, 1926 | 
 
 
 
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		  Patent Pictures:
	      
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                        Steve Gosselin Randy Roeder's Millers Falls Co. site "Vintage Machinery" entry for Millers Falls Co. 
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        Description: |  
| Information taken from Clifford D. Fales' database.Examples marked, "MILLERS FALLS CO. / GREENFIELD, MASS. / MADE IN U.S.A. / NO. (61M)(61A)(610A)(67) /PATENTED / MAR 30 1926 / MILLERS FALLS TOOLS / SINCE 1868" |  
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