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| Patents for Edgar A. Kelsey | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,055,540 | Mar. 11, 1913 | E.A. Kelsey | Lubricator | lubricators | |
| 1,129,988 | Mar. 02, 1915 | E.A. Kelsey | Sight Glass | lubricating accessories | |
| 1,145,902 | Jul. 13, 1915 | E.A. Kelsey | Sighting Glass | lubricating accessories | |