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Patents for Hamilton Ruddick | |||||
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Picture | Number | Date | Patentee | Title | |
70,364 | Oct. 29, 1867 | H. Ruddick | Portable Locomotive Boiler | ||
![]() | 182,962 | Oct. 03, 1876 | H. Ruddick | Improvement in rivet-heading machines | |
![]() | 248,612 | Oct. 25, 1881 | H. Ruddick | Recording Dynamometer |