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| All Patents in class 74/100.1 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 228,779 | Jun. 15, 1880 | W.J. Perkins | Mechanism movement | |
| 772,908 | Oct. 18, 1904 | G.E. Miles, C. Ridderhof | Flashing device for incandescent electric lamps | ||
| 1,699,792 | Jan. 22, 1929 | E.P. Larsh | Quick-acting switch | ||
| 1,904,311 | Apr. 18, 1933 | F.G. Hobart | Fluid Pressure Switch | ||
| 1,926,706 | Sep. 12, 1933 | E.J. Dillman, L.W. Eggleston | Control Device | ||
| 1,932,736 | Oct. 31, 1933 | J.T. Janette | Electric motor | ||
| 2,085,300 | Jun. 29, 1937 | E.J. Dillman | Control Device | ||