US Patent: 794,952 
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| Ratchet Spanner for Screw Bolts, etc.
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	        Patentee:
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 | Frederick William Schroeder (exact or similar names) - London,  England |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Sep. 16, 1903 | 
 
| Granted: | 
Jul. 18, 1905 | 
 
 
 
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		  Patent Pictures:
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Frederick William Schroeder Pat. July 16. 1905  |  
 
USPTO (New site tip) Google Patents 
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                        Stan Schulz 
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        Description: |  
| The slotted ratchet head and enclosing frame is designed to accomodate wheel spokes, or tubing fittings. The head has a knurled rim to turn the head with the fingers. The wrench is designed to accomodate several sizes of interchangeable heads. The ratchet is shown with a handle incorporating a knife blade, corkscrew, screwdriver, etc. 
The specifications note a British patent was also obtained (i.e. GB-190308672). 
Schroeder also patented the Schroeder Ratchet Spanner -- (British patent GB-190425990, Canadian patent CA-98,728) -- which was widely distributed. |  
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