Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835014 | Method for imparting water repellency to absorbent inorganic building materials | Herbert Gluck | 1989-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835014 | Method for imparting water repellency to absorbent inorganic building materials | Herbert Gluck | 1989-05-30 |