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| Patents for James N. Whitaker | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,689,590 | Sep. 21, 1954 | J.N. Whitaker | Redwood bark-peeler | debarking machines | |
| RE24,215 | Sep. 11, 1956 | J.N. Whitaker | Swingable redwood-bark-peeling chisel | debarking machines | |