Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478199 | Automatic valve | Donald J. Shanklin, Nathan R. Westphal | 2002-11-12 |
| 6478440 | Night light air freshener | Tadahiko Nakagaki, Michael T. Milo, Kong Wai Ki, Patrick Yeo Siok Hui | 2002-11-12 |
| 6381408 | Electric fumigator | Kenneth W. Michaels | 2002-04-30 |
| 6349168 | Electric fumigation device | — | 2002-02-19 |