US Patent: 877,352 
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| Cylinder Wrench
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        Patent Dates:
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| Applied: | 
May 31, 1905 | 
 
| Granted: | 
Jan. 21, 1908 | 
 
 
 
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		  Patent Pictures:
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Henry Lund patent January 21, 1908  |  
 
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                        Stan Schulz 
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        Description: |  
| Improvements to Lund's March 6, 1900 patent no. 644,676.  A reversible spring-loaded dog provides ratchet action. The head extends at a right angle to the handle and can rotate in relation to the handle. Patent no. 877,465 is related. |  
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