Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5888614 | Microperforated strength film for use as an anti-infiltration barrier | Daniel P. Healey, Jr. | 1999-03-30 |
| 5321055 | Process for the preparation of a synthetic quartzite-marble/granite material | — | 1994-06-14 |
| 5182891 | Raised insulated and water resistant composite flooring material | — | 1993-02-02 |
| 5094058 | Roofing shingle | — | 1992-03-10 |
| 4788808 | Building panel and method of fabrication | — | 1988-12-06 |
| 4437274 | Building panel | Albert W. Schairbaum, William M. Curtis | 1984-03-20 |
| 4422266 | Building panel | James W. Eaton | 1983-12-27 |