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| Patents for Triplex Machine Tool Corp. | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 1,510,167 | Sep. 30, 1924 | J.H. Wilhelm | Universal machine | |
![]() | 2,174,493 | Sep. 26, 1939 | L.H. Vanderwerf | Automotive vehicle | |