Patents
- Glen G. Langdon and Patrick E. Mantey, "Method and means for texture display in raster scanned color graphic," U.S. 4,225,861.
- Richard G. Casey, Glen G. Langdon, Patrick E. Mantey and Robin Williams, "Method and means for minimizing error between the manual digitizing of points and the actual location of said points on an electronic data entry surface," U.S. 4,181,952.
- Marcian E. Hoff and Patrick E. Mantey, "Universal digital filter for linear discrete systems," U.S. 3,619,586.
- Robert C. Durbeck and Patrick E. Mantey, "Power system protective relaying by time-coordinated sampling and calculation," U.S. 3,569,785.