Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181387 | Air conditioning apparatus | — | 1993-01-26 |
| 5131238 | Air conditioning apparatus | — | 1992-07-21 |
| 5127878 | Mixing box | — | 1992-07-07 |
| 4987748 | Air conditioning apparatus | — | 1991-01-29 |
| 4987750 | Air conditioning apparatus | — | 1991-01-29 |
| 4959970 | Air conditioning apparatus | — | 1990-10-02 |
| 4913036 | Mixing box | — | 1990-04-03 |
| 4903503 | Air conditioning apparatus | — | 1990-02-27 |
| 4858519 | Mixing box | — | 1989-08-22 |
| 4819444 | Air conditioning apparatus | — | 1989-04-11 |
| 4723417 | Dehumidification apparatus | — | 1988-02-09 |
| 4703685 | Air bar assembly | — | 1987-11-03 |
| 4657178 | Mixing box | — | 1987-04-14 |
| 4635446 | Dehumidification apparatus | — | 1987-01-13 |
| 4577471 | Air conditioning apparatus | — | 1986-03-25 |
| 4446774 | Air conditioning apparatus | — | 1984-05-08 |
| 4315412 | Air conditioning apparatus utilizing solar energy and method | — | 1982-02-16 |
| 4304955 | Solar energy collector | — | 1981-12-08 |
| 4286667 | Flow control and fire detection apparatus | Donald G. Westenhofer | 1981-09-01 |
| 4276817 | Air bar assembly | — | 1981-07-07 |
| 4250675 | Method for forming wiring channels in a concrete floor | — | 1981-02-17 |
| 4222244 | Air conditioning apparatus utilizing solar energy and method | — | 1980-09-16 |