Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10115097 | Protecting lottery receipts | Irena Szrek | 2018-10-30 |
| 9196116 | Securing gaming transactions | Irena Szrek | 2015-11-24 |
| 8182327 | Management of outcomes of games of chance | Irena Szrek | 2012-05-22 |
| 7749080 | Method and system for authentication | Thomas K. Oram | 2010-07-06 |
| 7627497 | Method for selling lottery tickets from a POS terminal | Irena Szrek | 2009-12-01 |
| 7303134 | Lottery game tickets and methods for making same | Michael A. Ehrhart, Robert M. Hussey, Todd A. Dueker, Cayetano Sanchez, III, John C. Abraitis +4 more | 2007-12-04 |
| 6934846 | Method of generating unpredictable and auditable random numbers | Irena Szrek | 2005-08-23 |
| 6752319 | Lottery game tickets and methods for making same | Michael A. Ehrhart, Robert M. Hussey, Todd A. Dueker, Cayetano Sanchez, III, John C. Abraitis +4 more | 2004-06-22 |
| 6477251 | Apparatus and method for securely determining an outcome from multiple random event generators | Robert C. Angell, Scott Tillotson | 2002-11-05 |
| 6419157 | Methods for processing security documents | Michael A. Ehrhart, Robert M. Hussey, Todd A. Dueker, Cayetano Sanchez, III, John C. Abraitis +4 more | 2002-07-16 |
| 6405929 | Material detection systems for security documents | Michael A. Ehrhart, Robert M. Hussey, Todd A. Dueker, Cayetano Sanchez III, John C. Abraitis | 2002-06-18 |
| 6368219 | System and method for determining whether wagers have been altered after winning game numbers are drawn | Thomas K. Oram | 2002-04-09 |
| 6304660 | Apparatuses for processing security documents | Michael A. Ehrhart, Robert M. Hussey, Todd A. Dueker, Cayetano Sanchez, III, John C. Abraitis | 2001-10-16 |
| 6186404 | Security document voiding system | Michael A. Ehrhart, Robert M. Hussey, Todd A. Dueker, Cayetano Sanchez, III, John C. Abraitis +4 more | 2001-02-13 |
| 5935000 | Secure gaming ticket and validation method for same | Cayetano Sanchez, III | 1999-08-10 |