Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998757 | Bar enclosure for sheet metal cabinet doors | — | 1991-03-12 |
| 4979264 | Concealed hinge for switching boxes | — | 1990-12-25 |
| 4930325 | Pivot lever bar closure | — | 1990-06-05 |
| 4873745 | Unhingeable and concealed hinge for switching boxes | — | 1989-10-17 |
| 4827568 | Visible 180 degrees hinge | — | 1989-05-09 |