Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495859 | Cover assembly for vertical exhaust pipes | Edwin R. Janke | 1985-01-29 |
| 4380952 | Cover assembly for vertical exhaust pipes | W. Richard Jones | 1983-04-26 |
| 4255928 | Swingable rain cover for vertical exhaust pipes with stop means | W. Richard Jones, Albert Hartman, Harry J. Kraig | 1981-03-17 |