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| All Patents in class 239/263.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,765,012 | Oct. 02, 1956 | D.J. Rattenbury, C.M. Riddell | Oscillatable bark-removing jet continuously directed toward axis of a passing log | debarking machines | |
| 2,765,198 | Oct. 02, 1956 | W.C. Briggs, M.F. Fish | Hydraulic barker | debarking machines | |