Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875520 | Desiccant heat device | Lawrence C. Hoagland, Christopher Kyricos, Peter J. Tolan | 1989-10-24 |
| 4825936 | Rotary heat regenerator | Lawrence C. Hoagland | 1989-05-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875520 | Desiccant heat device | Lawrence C. Hoagland, Christopher Kyricos, Peter J. Tolan | 1989-10-24 |
| 4825936 | Rotary heat regenerator | Lawrence C. Hoagland | 1989-05-02 |