DR

Darrell D. Roelofs

HA Hazeltine: 3 patents #10 of 95Top 15%
Overall (All Time): #1,670,461 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4823127 Automatic, real-time fault monitor verifying network in a microwave landing system Alfred R. Lopez, Kenneth R. Doris 1989-04-18
4680510 Color monitor with improved synchronization Robert H. Spieth, Chuen W. Louie, John L. Volk, Anthony N. DeLorenzo, Arthur L. Romeo +1 more 1987-07-14
4673847 Color monitor with improved digital convergence Chuen W. Louie, John L. Volk, Arthur L. Romeo 1987-06-16