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| Patents for Herbert E. Townsend | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,129,762 | Feb. 23, 1915 | H.E. Townsend | Reversing Mechanism | ||
| 1,454,987 | May 15, 1923 | H.E. Townsend | Cushioning Device for Reversing Mechanism | surface grinders | |
| 1,501,076 | Jul. 15, 1924 | H.E. Townsend | Footstock | surface grinders | |
| 1,803,492 | May 05, 1931 | H.E. Townsend | Grinding Machine | surface grinders | |