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| Patents for Stanley A. Pfister | |||||
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| Picture | Number | Date | Patentee | Title | |
| 3,116,068 | Dec. 31, 1963 | H.R. Uhtenwoldt, T.A. Turner, S.A. Pfister | Torque Transmitting Connecting Mechanism | ||
| 3,221,352 | Dec. 07, 1965 | S.A. Pfister | Drilling Machine Feed Mechanism | ||
| 3,319,480 | May 16, 1967 | S.A. Pfister | Gear Protection Mechanism for Transmission | ||