Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4740155 | Dual damper heat control furnace | — | 1988-04-26 |
| 4640202 | Readily repairable and lightweight cover for a heated vessel | Raymond J. Schraff, Thomas M. Miller | 1987-02-03 |
| 4524702 | Readily repairable and lightweight cover for a heated vessel | Thomas M. Miller, Raymond J. Schraff | 1985-06-25 |