Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375996 | Combustion apparatus having heat-recirculation function | Tsuneo Matsudaira, Felix J. Weinberg | 1994-12-27 |
| 5375997 | Combustion apparatus having heat-recirculating function | Tsuneo Matsudaira, Felix J. Weinberg | 1994-12-27 |