| US Patent: 560,281 
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| Worm-screw | 
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| Patentee: |  |
 | John M. Rauhoff (exact or similar names) - Chicago, IL |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Aug. 23, 1895 |  
| Granted: | May 19, 1896 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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			1 | 2
	        ] |  |  |  |  |  Google Patents
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                        Steve Gosselin
 
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| Description: |  | An example is reported, labeled "SAUNDERS & RAUHOFF / CHICAGO, ILL / PAT. MAY 19, 1896 / OTHER PATS PENDING". |  |