Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852691 | Scaffolding board formed from plastics materials, a method of producing same, and an apparatus for implementing the method | — | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852691 | Scaffolding board formed from plastics materials, a method of producing same, and an apparatus for implementing the method | — | 1989-08-01 |