Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7344273 | Ring light with user manipulable control | Walter F. Lewis | 2008-03-18 |
| 7096617 | Internally illuminated battery powered programmable tap handle system with interchangeable translucent heads | Edward Bydalek, Walter F. Lewis | 2006-08-29 |
| 6359239 | Cutting board with integral scale | Walter F. Lewis | 2002-03-19 |
| 5943653 | Electronic coupon storage and retrieval system correlated to highway exit service availability information | Monte Ross, Mark Peterson | 1999-08-24 |
| 5229947 | Highway information system | Monte Ross, Mark Peterson | 1993-07-20 |
| 5021961 | Highway information system | Monte Ross, Mark Peterson | 1991-06-04 |