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| Patents for William H. Collier | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 1,447,836 | Mar. 06, 1923 | W.H. Collier, A.J. Vance | Drier | |
![]() | 1,517,235 | Nov. 25, 1924 | W.H. Collier, A.J. Vance | Drier for veneer and the like | |