Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5516552 | Insulation barrier and a method of making and insulation barrier for a roof insulation system | Gregory Bontrager | 1996-05-14 |
| 5506048 | Insulation barrier and a method of making a fire-retardant insulation barrier | Harry Bussey, III, Harry Bussey, Jr. | 1996-04-09 |
| 5414970 | Insulation barrier and a method of making and insulation barrier for a roof insulation system | Gregory Bontrager | 1995-05-16 |