Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431692 | Process for making glass surfaces abrasion-resistant and article produced thereby | William E. Hofmann | 1984-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431692 | Process for making glass surfaces abrasion-resistant and article produced thereby | William E. Hofmann | 1984-02-14 |