Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834251 | Child-proof measuring cup | — | 1989-05-30 |
| 4831850 | Apparatus for protecting a console gearshift and preventing theft of a radio in a motor vehicle | Michael Wong | 1989-05-23 |