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Patents for Jean-Baptiste Boisvert | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 2,090,324 | Aug. 17, 1937 | J. Boisvert | Road grader attachment | |
![]() | 2,707,884 | May 10, 1955 | J. Boisvert | Composite gear wheel |