Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810415 | Process for manufacturing ultra pure silica and resulting encapsulated products | Howard M. Winkelbauer | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810415 | Process for manufacturing ultra pure silica and resulting encapsulated products | Howard M. Winkelbauer | 1989-03-07 |