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| All Patents in class 188/313 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 378,105 | Feb. 21, 1888 | F. Phillips | Dash-pot for steam-engines | |
 | 1,205,818 | Nov. 21, 1916 | E.E. Thomas | Dash-pot | |
 | 1,735,769 | Nov. 12, 1929 | A.W. Manzel | Stabilizer | |
| 2,620,823 | Dec. 09, 1952 | R.D. Wortendyke, R.R. Adams | Tracer Valve Mechanism with Dashpot | ||