Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811181 | Light fixture bi-directional joint and mounting means | — | 1989-03-07 |
| 4806665 | Preparation of silica sol | Curran Matthew Simpson | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811181 | Light fixture bi-directional joint and mounting means | — | 1989-03-07 |
| 4806665 | Preparation of silica sol | Curran Matthew Simpson | 1989-02-21 |