Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11761561 | Embedded fire-resistant device | — | 2023-09-19 |
| 10119632 | Method for producing through hole in floor system for pipe penetration and floor system using the same | — | 2018-11-06 |
| 9759352 | Pre-embedded/pre-built-in-hole creating apparatus and pipe bank box having the same | — | 2017-09-12 |