Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D431156 | Surface ornamentation for a control panel on a range top | Robert A. Lewis, Manoucher Shirali, Ray Smith | 2000-09-26 |
| D421694 | Gas cooktop | Joey Kitabayashi, Robert A. Lewis, Carl H. Adams | 2000-03-21 |
| D400424 | Handle for oven door | Robert A. Lewis, Manoucher Shirali, Ray Smith | 1998-11-03 |