Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6003780 | Freezeproof valve assembly for a drinking fountain | Sam T. Hong | 1999-12-21 |
| 5754990 | Emergency wash station | — | 1998-05-26 |
| 5740569 | Emergency eyewash unit | Sam T. Hong | 1998-04-21 |
| D388507 | Emergency wash basin | — | 1997-12-30 |
| 4324551 | Bow-mounted propeller driven boat | — | 1982-04-13 |