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| All Patents in class 362/216 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,267,287 | May 21, 1918 | A. Silverman | Illuminator for Microscopes | ||
| 2,278,951 | Apr. 07, 1942 | W.L. Thomas, N.J. Smith | Illuminated Dial Instrument | industrial recording apparatus | |