Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9704347 | Line keno and keno drawn ball position pays | Bradford Brown | 2017-07-11 |
| 9600975 | Chain reaction keno | Bradford Brown, Benjamin R. Holsclaw, Thomas J. Humphrey, Ronald Papson | 2017-03-21 |
DL
David R. Lark
Overall (2017): #159,885 of 506,227Top 35%
2
Patents 2017