Issued Patents 1982
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D266101 | Combined puzzle and construction toy | Lawrence B. Grubb, Louis S. Hoffman, David M. Williams | 1982-09-07 |
| D265844 | Combined ball collection and receptacle | David M. Williams | 1982-08-17 |
| 4334382 | Infant development ring toy | Richard A. Chase, David M. Williams | 1982-06-15 |
| D264359 | Rattle ball and handling toy | Lawrence B. Grubb, Louis S. Hoffman, David M. Williams | 1982-05-11 |
| D263405 | Combined grasping and handling toy rattle or similar article | Richard A. Chase, D. Michael Williams | 1982-03-16 |
| D263323 | Combined puzzle and construction toy | John Paul Johnson, David M. Williams | 1982-03-09 |