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| All Patents in class 74/665G | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,275,855 | Aug. 13, 1918 | J.L. Copping | Monkey Wrench | screw adjust wrenches | |
| 3,160,040 | Dec. 08, 1964 | J.N. Colebrook, A.C. Nolte, H.R. Hudson | Modulated Feed for Engine Lathes | engine lathes | |