DH

Donald W. Hapke

TB The Boeing: 4 patents #2,894 of 15,756Top 20%
📍 Issaquah, WA: #608 of 1,767 inventorsTop 35%
🗺 Washington: #23,018 of 76,902 inventorsTop 30%
Overall (All Time): #1,308,587 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4456204 Deployable inlet for aeroplane center boost engine 1984-06-26
4451015 Jet engine two dimensional, asymmetric afterburner nozzle 1984-05-29
4449678 Pressure balance nonaxisymmetric high aspect ratio afterburner convergent nozzle 1984-05-22
4411399 Retractable nozzle fairing system for aeroplane center boost engine 1983-10-25