Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955843 | Boat toy and method for making same | Henry Bolanos, David M. Williams | 1990-09-11 |
| D299935 | Mobile element | D. Michael Williams, Lois E. Kelly, David Schweitzer, George Lopac | 1989-02-21 |
| D299936 | Support for toy mobile | D. Michael Williams, Lois E. Kelly, David Schweitzer, George Lopac | 1989-02-21 |