DI

Darrell K. Ingram

AP Aprex: 1 patents #3 of 7Top 45%
GD General Dynamics Corp., Pomona Division: 1 patents #55 of 140Top 40%
Overall (All Time): #1,634,189 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5917429 Contactless communication system Alton B. Otis, Jr., Tom Papanek 1999-06-29
5220332 Ranging by sequential tone transmission Frederick L. Beckner 1993-06-15
4647873 Adaptive linear FM sweep corrective system Frederick L. Beckner, Garry N. Hulderman 1987-03-03