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| Patents for Rosaire Duval | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | D156,643 | Dec. 27, 1949 | J.M. Marisseau, R. Duval | Band saw | |
![]() | D156,644 | Dec. 27, 1949 | J.M. Marisseau, R. Duval | Twin lathe | |
![]() | D156,645 | Dec. 27, 1949 | J.M. Marisseau, R. Duval | Planer | |