Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4598000 | Spray-suppression device | — | 1986-07-01 |
| 4572700 | Elongated bendable drainage mat | Keh-Chang Liu, Barry J. Dempsey | 1986-02-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4598000 | Spray-suppression device | — | 1986-07-01 |
| 4572700 | Elongated bendable drainage mat | Keh-Chang Liu, Barry J. Dempsey | 1986-02-25 |