Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856789 | Chess games | — | 1989-08-15 |
| 4800096 | Pectin gelling composition | David J. DiGiovacchino, Rodger H. Jonas, Sheila Marion | 1989-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856789 | Chess games | — | 1989-08-15 |
| 4800096 | Pectin gelling composition | David J. DiGiovacchino, Rodger H. Jonas, Sheila Marion | 1989-01-24 |