Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10867465 | Automatic brightness control on a gaming machine | — | 2020-12-15 |
| 10854038 | Electronic gaming device with call tower functionality | Rachel Calhoun Lewis, Karl Frederick Zedell, Jr., Daniel Harden | 2020-12-01 |
| D889554 | Game tower | Rachel Calhoun Lewis, Karl Frederick Zedell, Jr. | 2020-07-07 |
| 10699518 | Gaming machines with sound-generating video display devices | Sigmund Hyunjai Lee, Karl Frederick Zedell, Jr. | 2020-06-30 |
| 10600313 | Programmable security system and method for protecting merchandise | Christopher J. Fawcett, Jeffrey A. Grant, Dennis D. Belden, Jr., Ronald M. Marsilio | 2020-03-24 |