Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640565 | Ice maker with improved harvest detection and thermal efficiency | Robert G. Cox, Donald E. DeWitt | 2003-11-04 |
| 6526763 | Ice maker and method of making ice | Robert G. Cox, Terry L. Hygema, Steven M. Nimtz | 2003-03-04 |
| 6490873 | Ice maker and method of making ice | Robert G. Cox, Donald E. DeWitt | 2002-12-10 |
| 6470701 | Ice maker and method of making ice | Robert G. Cox, Donald E. De Witt | 2002-10-29 |
| 6370904 | Ice maker with improved harvest detection and thermal efficiency | Robert G. Cox, Donald E. DeWitt | 2002-04-16 |
| 6223550 | Ice maker | John K. Marsh, Donald E. DeWitt | 2001-05-01 |
| 6220038 | Ice maker | John K. Marsh, Donald E. DeWitt | 2001-04-24 |