Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879857 | Resilient leveler and shock absorber for sport floor | David L. Peterson | 1989-11-14 |
| 4832094 | Electric waterbed pump | — | 1989-05-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879857 | Resilient leveler and shock absorber for sport floor | David L. Peterson | 1989-11-14 |
| 4832094 | Electric waterbed pump | — | 1989-05-23 |