Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319155 | Heat and fireproof duct for electrical and communication wires and the like | — | 1994-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319155 | Heat and fireproof duct for electrical and communication wires and the like | — | 1994-06-07 |