Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676540 | Flue walls using interlocking bricks | Alfred T. Williams, Dennis J. Haines, Robert F. Corcoran, Jr., R. Kelly McClara | 1997-10-14 |
| 5013336 | Method and apparatus for emission control | Robert F. Corcoran, Jr., Dennis C. Sikora | 1991-05-07 |