Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855350 | Fabric finish with alpha olefin resins and process | E. Michael Coyle, Calvin J. Verbrugge, John G. Villarreal | 1989-08-08 |
| 4780499 | Fabric finish with alpha olefin resins and process | John G. Villarreal, Calvin J. Verbrugge | 1988-10-25 |
| 4680202 | Fabric finish with alpha olefin resins and process | E. Michael Coyle, Calvin J. Verbrugge, John G. Villarreal | 1987-07-14 |
| 4623683 | Fabric finish with alpha olefin resins and process | John G. Villarreal, Calvin J. Verbrugge | 1986-11-18 |