Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323218 | Inflatable core for use in forming a thermal break in a metal frame for a door or window | — | 1982-04-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323218 | Inflatable core for use in forming a thermal break in a metal frame for a door or window | — | 1982-04-06 |