Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D421643 | Drain grate with leaf-shaped grate pattern | — | 2000-03-14 |
| D418209 | Drain grate with fish-shaped grate pattern | — | 1999-12-28 |
| D413656 | Drain grate with bug-shaped grate pattern | — | 1999-09-07 |
| D412971 | Drain grate with bear-shaped grate pattern | — | 1999-08-17 |
| D399304 | Drain grate with earth-shaped grate pattern | — | 1998-10-06 |
| D302480 | Wall lamp | — | 1989-07-25 |