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| Patents for Worcester Polytechnic Institute | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 425,839 | Apr. 15, 1890 | O.S. Walker | Twist-drill-grinding machine | |
 | 1,010,574 | Dec. 05, 1911 | W.W. Bird, L.W. Rawson | Raising and lowering mechanism | |
 | 1,064,700 | Jun. 17, 1913 | W.W. Bird, L.W. Rawson | Feed device | |