Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336416 | Fire-rated feed-through fitting for transferring insulated wires through a concrete floor | — | 1982-06-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336416 | Fire-rated feed-through fitting for transferring insulated wires through a concrete floor | — | 1982-06-22 |