US Patent: 383,589
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| Groove-cutting tool
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Patentee:
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| William H. Parry (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 10, 1888 |
| Granted: |
May 29, 1888 |
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Jeff Joslin
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Description: |
| "This invention relates to an improvement in groove-cutting tools particularly adapted for use on a routing machine in connection with a templet, in gaining or dovetailing stair-stringers for reception of the treads and risers..." |
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