| US Patent: 301,984 
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| Wood-boring machine | 
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| Patentee: |  |
 | Henry D. Heiser (exact or similar names) - Watsontown, PA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jul. 27, 1883 |  
| Granted: | Jul. 15, 1884 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | "My invention allows the boring of holes obliquely, either alone or simultaneously with the boring of holes vertically. It is intended more especially for boring the holes for the tie-bolts in the side framing of freight-cars for use on railroads..." |  |