Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299172 | Game with throw pieces and a variable target assembly | — | 2001-10-09 |
| 6016687 | Apparatus for indicating ozone exposure | — | 2000-01-25 |
| 5788930 | Apparatus for purifying an environment using ozone generation | — | 1998-08-04 |
| 4884988 | Interconnecting building toy panels | — | 1989-12-05 |
| 4863701 | Apparatus for generating ozone | — | 1989-09-05 |
| 4846757 | Form changing rubber-like toy | — | 1989-07-11 |