Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822033 | Baby swing support assembly | Louis M. Kohus, John V. Mariol | 1989-04-18 |
| 4818016 | Hook-on type baby chair | John V. Mariol | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822033 | Baby swing support assembly | Louis M. Kohus, John V. Mariol | 1989-04-18 |
| 4818016 | Hook-on type baby chair | John V. Mariol | 1989-04-04 |