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| Patents for Robert N. McFadden | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,680,754 | Aug. 01, 1972 | F.L. Blaakman, R.N. McFadden | Filmstrip Advancing Mechanism | audio-visual apparatus | |
| 3,737,220 | Jun. 05, 1973 | I. Delin, deceased (Estate of), R.N. McFadden, R.E. Hickey | Slot-Load Projector | projectors | |