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| Patents for W. S. McDowell | |||||
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| Number | Title | Classification(s) | |||
| 988,142 | Wrench | 81/158 | |||
| 995,947 | Wrench | 81/103 | |||
| 1,074,936 | Pipe Wrench | 81/103 | |||
| 1,115,071 | Valve Dressing Tool | 279/49, 82/172 | |||
| 1,248,174 | Yarn Measuring Device | 33/679.1 | |||
| 1,252,274 | Workholding Mechanism For Lathes | 82/150, 82/168 | |||
| 1,267,946 | Micrometer | 33/342, 33/827 | |||
| 1,321,776 | Wrench | 81/120, 81/124.2 | |||
| 1,336,794 | Grease Cup Wrench | 81/120, 81/124.2 | |||