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| Patents for Holland R. Hudson | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,805,552 | Sep. 10, 1957 | C.F. Pabst, H.R. Hudson | Pre-Selector Dial Devices | metal lathe mechanisms | |
| 3,160,040 | Dec. 08, 1964 | H.R. Hudson, J.N. Colebrook, A.C. Nolte | Modulated Feed for Engine Lathes | engine lathes | |