Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5871385 | Thermochromic toy vehicle playset having robot arm detailer | Keith Hippely, Brian E. Walsh, Terence A. Choy | 1999-02-16 |
| 5643040 | Toy vehicle playset having vehicle receiving and holding station | Keith Hippely, Brian E. Walsh, Terence A. Choy | 1997-07-01 |
| 5586923 | Toy vehicle playset for thermochromic vehicles | Keith Hippely, Brian E. Walsh, Terence A. Choy | 1996-12-24 |
| 5503583 | Toy with thermochromic material | Keith Hippely, Jill E. Barad, Prodromos Papavasiliou | 1996-04-02 |
| 5267888 | Toy vehicle having articulated wheel portions | Keith Hippely, Michael T. McKittrick | 1993-12-07 |
| 4961716 | Toy apparatus including robotic arm | Keith Hippely, Madhusudan Joshi | 1990-10-09 |
| 4917643 | Toy vehicle with thermochromic material | Keith Hippely | 1990-04-17 |