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| All Patents in class 200/293 | |||||
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| Number | Date | Patentee | Title | Type | |
| 664,189 | Dec. 18, 1900 | G.B. Thomas | Electrical-switch cap | electric switches | |
| 2,999,920 | Sep. 12, 1961 | S.S. Brown | Motorized adjustable hospital bed | gear motors | |
| 3,045,130 | Jul. 17, 1962 | W. Raap, N.P. Bashor | Heavy Duty Electrical Switching Apparatus | electric switches | |
| 3,198,078 | Aug. 03, 1965 | W.D. Zettler, G.H. Schurger | Machine Tool Control Center | machine tool controls | |