Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900608 | Flexible epoxy-coated fabric | — | 1990-02-13 |
| 4885887 | Apparatus and method for securing an outer roofing membrane to an insulated roof deck | Robert W. Simmons, Thomas P. Kaufman | 1989-12-12 |
| 4827686 | Coated roofing membrane | Robert C. Hultz | 1989-05-09 |
| 4666761 | Roofing membrane | Robert C. Hultz | 1987-05-19 |
| 4574103 | Vinyl chloride polymer laminate | Robert C. Hultz | 1986-03-04 |
| 4565732 | Vinyl chloride polymer laminate | Robert C. Hultz | 1986-01-21 |
| 4515744 | Vinyl chloride polymer laminate | Robert C. Hultz | 1985-05-07 |
| 4256797 | Contoured resilient vehicle trim panel | Richard L. Rhonehouse | 1981-03-17 |