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| All Patents in class 29/415 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,196,497 | Apr. 09, 1940 | H.D. Heman | Method of Forming Tubular Members Having Thick Walled End Portions | metal forming | |
| 2,888,707 | Jun. 02, 1959 | E.C. Warrick, J. Kmetz | Universal caster assembly for leg supported stands | machine bases and cabinets | |