| US Patent: 62,138 
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| Carpet Stretcher | 
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| Patentee: |  |
 | William J. Johnson (exact or similar names) - Newton, Middlesex County, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Feb. 19, 1867 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Abstract:
The nature of my invention consists in providing a mechanical device sufficiently magnetized to receive and hold a tack or nail preparatory" to its being driven into wood, or any other material, in any direction or angle.
Claim:
I claim a carpet stretcher with a piston, or its equivalent, magnetically charged. |  |