Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294252 | Ostomy device | — | 1981-10-13 |
| 4286133 | Bi-rotational microwave oven turntable/rotisserie | James Hageman | 1981-08-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294252 | Ostomy device | — | 1981-10-13 |
| 4286133 | Bi-rotational microwave oven turntable/rotisserie | James Hageman | 1981-08-25 |