DB

Donald E. Bean

SP Sperry: 3 patents #125 of 841Top 15%
SM Sperry Marine: 1 patents #21 of 45Top 50%
Overall (All Time): #1,303,800 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4890105 Step data processor for 180X and 90X compass synchro data Billy Mitchell Coleman 1989-12-26
4517567 Radar trigger and pretrigger generator having delay sensing and compensating circuit Patrick G. Lee, Randy Jones 1985-05-14
4242640 Current discharge fast time constant amplifier 1980-12-30
4224619 Symbology writing apparatus for radar plan position indicator displays John R. Grymes, Jr., Reuben E. Maine 1980-09-23