PT

Patrick R. Tisdale

BT Bell Helicopter Textron: 15 patents #20 of 718Top 3%
TI Textron Innovations: 13 patents #59 of 1,177Top 6%
📍 Keller, TX: #18 of 411 inventorsTop 5%
🗺 Texas: #4,299 of 125,132 inventorsTop 4%
Overall (All Time): #138,228 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6375426 Protective edge members for composite flexures Robert Arnold Brack, Ernest Powell, Dharam J. Reddy, Ronald Dean Rice 2002-04-23
5358381 Yoke for helicopter rotor systems Cecil E. Covington, Timothy Kent Ledbetter, Ernest Powell, Madison K. Robinson, Ajay Sehgal 1994-10-25
4427340 Soft inplane bearingless helicopter rotor Robert W. Metzger, William D. Neathery, Peter A. Reyes, Cecil E. Covington, Willem Broekhuizen 1984-01-24