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| Patents for Donald J. Kaplan | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,168,034 | Feb. 02, 1965 | D.J. Kaplan, S.B. McClocklin | Rolling bed press | industrial presses | |
| 3,218,056 | Nov. 16, 1965 | D.J. Kaplan, R.A. Kaplan | Engine positioning stand | vehicle mechanic | |