Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D421280 | Coupler for model railroad cars | — | 2000-02-29 |
| 5690278 | Track systems for model railroads | — | 1997-11-25 |
| 4861309 | Spiral cylinder toy | D. Michael Williams | 1989-08-29 |
| 4720283 | Baby's marble runway toy | D. Michael Williams | 1988-01-19 |
| D291122 | Teething toy | Lois E. Kelly | 1987-07-28 |
| D288576 | Stackable rattle | D. Michael Williams | 1987-03-03 |
| D287377 | Star teether toy | David M. Williams | 1986-12-23 |
| D285460 | Return top rattle | David M. Williams, Danny E. Simpson | 1986-09-02 |
| D275022 | Puzzle toy | Danny E. Simpson, D. Michael Williams, Richard A. Chase | 1984-08-07 |
| 4437668 | Puzzle post toy | Danny E. Simpson, David M. Williams, Richard A. Chase | 1984-03-20 |
| D268604 | Spinning toy | Richard A. Chase, David M. Williams | 1983-04-12 |
| D266101 | Combined puzzle and construction toy | Danny E. Simpson, Louis S. Hoffman, David M. Williams | 1982-09-07 |
| D264359 | Rattle ball and handling toy | Danny E. Simpson, Louis S. Hoffman, David M. Williams | 1982-05-11 |
| 4282679 | Infant's toy--rattle and peek-a-boo ball | Danny E. Simpson, Louis S. Hoffman, David M. Williams | 1981-08-11 |
| D254560 | Crib toy or similar article | Phillip A. Johnson, Danny E. Simpson | 1980-03-25 |