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| All Patents in class 384/382 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,905,309 | Apr. 25, 1933 | J.C. Sharp | Trunnion for Locomotive Valve Motions | steam engines | |
| 2,502,976 | Apr. 04, 1950 | C. McLear | Variable speed pulley | metalworking machine mechanisms | |