DL

D. Michael Ledyard

LT Lionel Trains: 2 patents #2 of 13Top 20%
Overall (All Time): #1,664,723 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5018514 Knee brace Edward S. Grood, David L. Butler, Steven D. Hoffman 1991-05-28
4906215 Toy combination of toy article and toy attachments Victor G. Reiling, Brian L. Dean, Daniel J. Cooney, John Weatherman Brady 1990-03-06
4771943 Train track and track bed assembly Daniel J. Cooney 1988-09-20