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All Patents in class 142/21 | |||||
Number | Date | Patentee | Title | Type | |
1,063,697 | Jun. 03, 1913 | J.W. Kendrick | Machine for making plugs for railway ties | railroad machines | |
1,757,155 | May 06, 1930 | J.J. Witt | Variety lathe | pattern lathes |