RR

Richard Rothkopf

LI Learning Curve International: 4 patents #1 of 9Top 15%
📍 Chicago, IL: #29 of 668 inventorsTop 5%
🗺 Illinois: #203 of 5,780 inventorsTop 4%
Overall (2003): #13,317 of 273,478Top 5%
4
Patents 2003

Issued Patents 2003

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