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| Patents for William R. McComas | |||||
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| Number | Date | Patentee | Title | Type | |
| 65,582 | Jun. 11, 1867 | S. Males | Improved safety-guard for railway cars | ||
| 122,426 | Jan. 02, 1872 | M.L. Andrew | Improvement in shaft-couplings | industrial machine shaft couplings | |