Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466568 | Combustion type heater for automotive room heating system | — | 1984-08-21 |
| 4338992 | Sealing structure for use in a rotary, heat-regenerative heat exchanger | — | 1982-07-13 |
| 4305594 | Sealing device for a rotary regenerative heat exchanger | — | 1981-12-15 |
| 4296937 | Rubbing-contact sealing structure for rotary heat regenerator | — | 1981-10-27 |