Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696976 | Vinyl urethane composite polymer containing dispersed soft copolymer particles | Donald B. Parrish | 1987-09-29 |
| 4576998 | Vinyl urethane composite polymer containing vinyl terminated urethane oligomers | Robert E. Hefner, Jr. | 1986-03-18 |