Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938218 | Children's ride-on vehicles having ground detection systems | William R. Howell, Gerald P. Sitarski, Richard A. Zirnheld, Jeffrey W. Reynolds | 2011-05-10 |
| 7918710 | Rotatable entertainment device | David M. Bapst, Maarten Van Huystee, Robert Sonner | 2011-04-05 |
| 7905305 | Blow-molded wheels having undulating treads, methods for producing the same, and children's ride-on vehicles including the same | Christopher F. Lucas, Gerald P. Sitarski, Steven Robert Drosendahl | 2011-03-15 |