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| Patents for Weyerhaeuser Timber Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,894,415 | Jan. 17, 1933 | A.H. Onstad | Lumber retrimming machine | |
| 2,576,966 | Dec. 04, 1951 | R.D. Pauley, L.A. McCanna | Method of barking logs | ||
| 2,576,967 | Dec. 04, 1951 | R.D. Pauley, L.A. McCanna | Apparatus for removing bark from logs | ||
 | RE23,765 | Jan. 05, 1954 | R.D. Pauley, L.A. McCanna | Apparatus for removing bark from logs | |
 | RE23,776 | Jan. 26, 1954 | R.D. Pauley, L.A. McCanna | Method of barking logs | |