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| Number | Date | Patentee | Title | Type | |
| 7,651,383 | Jan. 26, 2010 | H.J. Stadfeld | Method of Lapping Gears | gear making machines | |
| 8,487,484 | Jul. 16, 2013 | A.E. Colson, Jr., H.L. Miller | Permanent Magnet Drive Apparatus And Operational Method | electric motors | |
| 10,000,000 | Jun. 19, 2018 | J. Marron | Coherent Ladar Using Intra-pixel Quadrature Detection | electronic circuitry and apparatus | |