US Patent: 937,987 
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| Nail Holding Attachment for Hammers
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	        Patentee:
		   |  
|
 | Peter Carlson (exact or similar names) - Tolley, ND |  
 
 
| USPTO Classifications: |  
| 81/23 |  
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Jun. 18, 1909 | 
 
| Granted: | 
Oct. 26, 1909 | 
 
 
 
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                        Ralph Brendler 
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| 
        Description: |  
| This design features a U-shaped yoke under the hammer face, combined with a slot milled in the head to provide a simple nail-holder for the hammer. |  
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