DH

David A. Haynie

BT Bell Helicopter Textron: 1 patents #1 of 22Top 5%
📍 Euless, TX: #3 of 22 inventorsTop 15%
🗺 Texas: #2,374 of 8,731 inventorsTop 30%
Overall (2004): #239,584 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6764280 Multi-bladed tail rotor hub design for coriolis relief Ajay Sehgal, Cecil E. Covington, Joseph John Zierer, Eric Boyle 2004-07-20