Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804397 | Partial press in gravity bending furnace and method of use | Robert G. Frank, James H. Schwartz | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804397 | Partial press in gravity bending furnace and method of use | Robert G. Frank, James H. Schwartz | 1989-02-14 |