Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420023 | Device for collecting heavy oil and transferring it to suitable container | — | 1983-12-13 |
| 4223618 | Automatic bobbin changer and apparatus for a sewing machine | — | 1980-09-23 |
| 4204652 | Retractor with a cover attached to a slide plate | Louis Romanzi, Jr. | 1980-05-27 |