Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304689 | Collapsible cargo container | — | 1989-11-21 |
| 4857087 | Disk file employing dual filters | Ivor W. Bolton, Richard GIBBONS | 1989-08-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304689 | Collapsible cargo container | — | 1989-11-21 |
| 4857087 | Disk file employing dual filters | Ivor W. Bolton, Richard GIBBONS | 1989-08-15 |