Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082872 | Detectable guidance markers for tactile navigation, including indicia of obstacle presence, type, dimensions, direction, and/or proximity | Robert G. Cook | 2011-12-27 |
| 8052534 | Interactive, thematically-related entertainment system including universally-interchangeable, attachable, design-bearing ornaments | Marissa Beth Crouch, Anne Frances Mersereau, James Stewart | 2011-11-08 |