Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866581 | Linear structural member having a drawn section and having weight-reducing slots | — | 1989-09-12 |
| 4866583 | Sectional structure for mounting spot lights for fitting out of rooms and other | — | 1989-09-12 |
| 4859109 | Expansion type clamp for connecting coinciding ends of tubular components for reticular structures and the like | — | 1989-08-22 |
| 4851740 | Lamp holder including a centrally operated switch by means of carrier current transmission | — | 1989-07-25 |