Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7955156 | Magnetic building block | Gary E. Aigner | 2011-06-07 |
| 7413493 | Magnetic building block | Gary Aigner | 2008-08-19 |
| 6722941 | Toy vehicle magnetic coupler | Paul Dowd, Mitchell P. Pomerantz | 2004-04-20 |
| 6648237 | Toy vehicle track segment and method of manufacturing a toy vehicle track segment | Richard Rothkopf, K. Dale Weathington, Lin Ming Chuan Cindy | 2003-11-18 |
| 6645031 | Playboard with collapsing easel | Richard Rothkopf, Gary Aigner, Mary Lenehan, K. Dale Weathington, Lisa Gelfond | 2003-11-11 |
| D481424 | Toy track segment | Richard Rothkopf, K. Dale Weathington, Lin Ming Chuan Cindy | 2003-10-28 |
| D477641 | Edges of supports for playboard with easel | Richard Rothkopf, Gary Aigner, Mary Lenehan, Lisa Gelfond, K. Dale Weathington | 2003-07-22 |
| 6089952 | Four wheel drive toy locomotive | Paul Dowd, Will Isaksson, Jeff Katz | 2000-07-18 |
| 6015329 | Toy vehicle logging mill accessory | Will Isaksson, Jeffry Han Katz | 2000-01-18 |
| 5979783 | Toy vehicle track coupling support | Yvan Tinel | 1999-11-09 |
| 5826835 | Toy vehicle switch track | Roy Wilson, Jeffrey H. Katz | 1998-10-27 |