Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346557 | Incineration-cleanable composite diesel exhaust filter and vehicle equipped therewith | Louis Hegedus | 1982-08-31 |
| 4329844 | Diesel exhaust filter-incinerator | Louis Hegedus | 1982-05-18 |