RR

Richard Rothkopf

LI Learning Curve International: 4 patents #2 of 16Top 15%
📍 Chicago, IL: #3,073 of 13,327 inventorsTop 25%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,269,815 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6648237 Toy vehicle track segment and method of manufacturing a toy vehicle track segment Donald E. Toht, K. Dale Weathington, Lin Ming Chuan Cindy 2003-11-18
6645031 Playboard with collapsing easel Donald E. Toht, Gary Aigner, Mary Lenehan, K. Dale Weathington, Lisa Gelfond 2003-11-11
D481424 Toy track segment Donald E. Toht, K. Dale Weathington, Lin Ming Chuan Cindy 2003-10-28
D477641 Edges of supports for playboard with easel Donald E. Toht, Gary Aigner, Mary Lenehan, Lisa Gelfond, K. Dale Weathington 2003-07-22