Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8407936 | Plant belt system | — | 2013-04-02 |
| 5794641 | Valve control | Jeffrey Y. Pan | 1998-08-18 |
| 5775371 | Valve control | Jeffrey Y. Pan | 1998-07-07 |
| D317330 | Game board | Julius Ermis | 1991-06-04 |
| 4907807 | Board game for playing crossword puzzles | Julius Ermis | 1990-03-13 |