| US Patent: 667,978 
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| Floor sawing and rabbeting machine | 
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| Patentees: |  
 | William H. K. Abbott (exact or similar names) - Waterville, ME |  | Frank B. Gardiner (exact or similar names) - Waterville, ME |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Aug. 21, 1900 |  
| Granted: | Feb. 12, 1901 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | This machine is used to remove "old floors or worn portions thereof". |  |