Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419776 | Method of prescoring foam board | Neil L. Hoopingarner | 2002-07-16 |
| 6251497 | Foam board | Neil L. Hoopingarner | 2001-06-26 |
| 5698153 | Method of prescoring foam board | Neil L. Hoopingarner | 1997-12-16 |
| 5624728 | Composite panel | Neil L. Hoopingarner | 1997-04-29 |
| 5589016 | Prescored foam for panel fabrication | Neil L. Hoopingarner | 1996-12-31 |
| 4980977 | Safety core cutting knife | Ellwood R. Pelton, George E. Trepus, Jr. | 1991-01-01 |
| 4806401 | Duplex cured elastomer hoses and method of manufacture | George E. Trepus, Jr., Preston L. Rider | 1989-02-21 |
| 4732415 | Non-metallic vacuum probe | George E. Trepus, Jr. | 1988-03-22 |
| 4707206 | Method of making a fiber reinforced product | George E. Trepus, Jr., Preston L. Rider | 1987-11-17 |