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All Patents in class 91/50 | |||||
Number | Date | Patentee | Title | Type | |
558,749 | Apr. 21, 1896 | G.L. Thomas | Electrically Controlled Gas Engine or Motor | gas and gasoline engines | |
1,510,205 | Sep. 30, 1924 | J.T. Beaty | Cotton tamper | ||
2,470,415 | May 17, 1949 | E.Y. Seborg | Drive mechanism |