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All Patents in class 72/301 | |||||
Number | Date | Patentee | Title | Type | |
66,409 | Jul. 02, 1867 | O.W. Stearns | Improvement in wood-bending machines | wood bending machines | |
3,452,786 | Jul. 01, 1969 | W.W. Lund, C.P. Mahloch | Apparatus for forming a winding | electric motor making |