Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865311 | Playground slide construction | — | 1989-09-12 |
| 4855555 | Microwave apparatus for thawing frozen liquid and a bag holder assembly for use therein | Glenn N. Adams | 1989-08-08 |