Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5752819 | Exhaust system for high temperature furnace | Richard R. Hansotte, Jr., Dennis A. Rock, Jeffrey A. Walker, Roland M. Wanser | 1998-05-19 |
| 5567149 | Exhaust system for high temperature furnace | Richard R. Hansotte, Jr., Dennis A. Rock, Jeffrey A. Walker, Roland M. Wanser | 1996-10-22 |
| 5407349 | Exhaust system for high temperature furnace | Richard R. Hansotte, Jr., Dennis A. Rock, Jeffrey A. Walker, Roland M. Wanser | 1995-04-18 |
| 5312245 | Particulate trap for vertical furnace | James P. Brannen, Richard R. Hansotte, Jr. | 1994-05-17 |