Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808422 | Center-filled food products | Wendell Ward, Surinder Kumar, Melba Mack, Lewis Conrad Keller | 1989-02-28 |
| 4613509 | Process for producing center-filled food products | Wendell Ward, Surinder Kumar, Melba Mack, Lewis Conrad Keller | 1986-09-23 |
| 4601227 | Food product with opposite phase-shifted corrugations of the same frequency and amplitude and method and apparatus of manufacture | Lewis Conrad Keller | 1986-07-22 |
| 4511586 | Potato product with opposite phase-shifted corrugations of the same frequency and amplitude | Lewis Conrad Keller | 1985-04-16 |