Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875322 | Process for the insulation of existing building facades and prefabricated panel to be used in applying said process | — | 1989-10-24 |
| 4831699 | Process for making curved walls starting with a flat prefabricated panel formed from three-dimensional metal screen with formed plastic filling | — | 1989-05-23 |