Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512524 | Fire-rated elevator door frame and transom flush with door | Jashan Deshan Eison, William Theodore Sillman, Leo Joseph Tomperi | 2022-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512524 | Fire-rated elevator door frame and transom flush with door | Jashan Deshan Eison, William Theodore Sillman, Leo Joseph Tomperi | 2022-11-29 |