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Patents for Lloyd D. Libby | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 2,286,821 | Jun. 16, 1942 | L.D. Libby | Machine for Cutting Dies and the Like | |
![]() | 2,835,172 | May 20, 1958 | L.D. Libby, R.E. Saving, O.W. Barker | Rotary Head Milling Attachment | |
![]() | CA-586,714 | Nov. 10, 1959 | O.W. Barker, R.E. Saving, L.D. Libby | Rotary head milling attachment |