Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055330 | Edge-reinforced folded glass wool insulation layers | Richard F. Hayden | 1991-10-08 |
| 4847127 | Edge-reinforced hinged glass wool insulation layers | Richard F. Hayden | 1989-07-11 |