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| Patents for Albert P. Sibley | |||||
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| Number | Title | Classification(s) | |||
| 384,871 | Pulley | 474/97 | |||
| 394,407 | Bushing for split pulleys | 384/434, 403/344, 474/98 | |||
| 412,677 | Drill-press | 408/64 | |||
| 437,520 | Split pulley | 403/344, 474/96 | |||
| 462,884 | Drilling-machine | 74/625, 74/842 | |||
| 600,598 | Automatic stop for self-feed drilling-machines | 74/625, 74/842 | |||