Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5960857 | System temperature control tank with integral modulator valve and flowmeter | Philip D. Oswalt, Ronald A. Wolfe | 1999-10-05 |
| 5761916 | Display method and apparatus for load and capacity for chillers | Philip D. Oswalt, Ronald A. Wolfe | 1998-06-09 |
| 4850201 | Precision-controlled water chiller | Philip D. Oswalt, Harold R. Short | 1989-07-25 |
| 4802338 | Precision-controlled water chiller | Philip D. Oswalt, Harold R. Short | 1989-02-07 |
| 4769998 | Precision-controlled water chiller | Philip D. Oswalt, Harold R. Short | 1988-09-13 |