Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257002 | Condensate handling assembly and method | John T. Dieckmann, Richard C. Williams | 2001-07-10 |
| 6199395 | Condensate handling assembly and method | John T. Dieckmann, Richard C. Williams | 2001-03-13 |
| 5946927 | Heat pump water heater and storage tank assembly | John T. Dieckmann, Brian J. Nowicki, W. Peter Teagan | 1999-09-07 |
| 5906109 | Heat pump water heater and storage tank assembly | John T. Dieckmann, Brian J. Nowicki, W. Peter Teagan | 1999-05-25 |
| 4705103 | Internally enhanced tubes | Gerald F. Robertson, Will C. Brown | 1987-11-10 |