Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329490 | Water-dispersible urethane polymers, aqueous polymer dispersions and half-esters useful therein | Roy C. Williams | 1982-05-11 |
| 4277380 | Water-dispersible urethane polymers and aqueous polymer dispersions | Roy C. Williams | 1981-07-07 |
| 4268426 | Water-dispersible urethane polymers, aqueous polymer dispersions and half-esters useful therein | Roy C. Williams | 1981-05-19 |