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| All Patents in class 200/441 | |||||
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| Number | Date | Patentee | Title | Type | |
| 772,908 | Oct. 18, 1904 | G.E. Miles, C. Ridderhof | Flashing device for incandescent electric lamps | electrical devices | |
| 1,965,543 | Jul. 03, 1934 | E.J. Dillman, L.W. Eggleston | Control Device | industrial control apparatus | |