Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12400279 | Drive through system including vision system and transaction system integration | Christopher Siefken, Istvan Illes-Toth, James Davidson, Patrick J. O'Brien, Christopher Aaron Clark +2 more | 2025-08-26 |
| 12327230 | Drive through system with traffic management | Christopher Siefken, Israel Rivera, Keith Shaibley, Sean WEGELER, James Davidson | 2025-06-10 |
| 12190302 | Point of sale terminal system and multi terminal network | Christopher Siefken, Mahesh Kommareddi | 2025-01-07 |
| 11328278 | Point of sale terminal system and multi terminal network | Christopher Siefken, Mahesh Kommareddi | 2022-05-10 |
| 11244681 | System and method for drive through order processing | Christopher Siefken, William Wine, Arjun Wadwalkar, Andrew Grindstaff | 2022-02-08 |
| 5193280 | Saw blades and method of making same | — | 1993-03-16 |
| 4999915 | Saws and saw teeth and blades therefor | Horst Grossmann | 1991-03-19 |
| 4821217 | Programmable jet engine test station | Joel Wilson | 1989-04-11 |