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| All Patents in class 144/204 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,250,822 | Dec. 18, 1917 | H.D. Traub, G.A. Ensign | Wheel-rim equalizing and joint-forming machine | wheelwright | |
| 1,718,325 | Jun. 25, 1929 | F.R. Weaver | Lock-joint grooving head | cutterheads | |