DS

David S. Shepherd

BT Bell Helicopter Textron: 1 patents #349 of 718Top 50%
TB The Boeing: 1 patents #8,242 of 15,756Top 55%
📍 Wallingford, PA: #66 of 155 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,310,953 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5135356 Swashplate anti-drive linkage for rotor controls of rotary wing aircraft 1992-08-04
5026254 Calibrated pitch change link Russell W. Ford 1991-06-25