Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8583926 | System and method for anti-phishing authentication | — | 2013-11-12 |
| 8583928 | Portable security transaction protocol | Joseph R. Calaceto, Russell M. Logar | 2013-11-12 |
| 8190893 | Portable security transaction protocol | Joseph R. Calaceto, Russell M. Logar | 2012-05-29 |
| 7082538 | Electronically verified digital signature and document delivery system and method | Thaddeus Bouchard | 2006-07-25 |
| 6678665 | Computer system for protecting software and a method for protecting software | Markus Dichtl | 2004-01-13 |
| 6651169 | Protection of software using a challenge-response protocol embedded in the software | Markus Dichtl | 2003-11-18 |
| 6334118 | Software rental system and method for renting software | — | 2001-12-25 |
| 6301660 | Computer system for protecting a file and a method for protecting a file | — | 2001-10-09 |
| 6047242 | Computer system for protecting software and a method for protecting software | — | 2000-04-04 |
| 5935246 | Electronic copy protection mechanism using challenge and response to prevent unauthorized execution of software | — | 1999-08-10 |
| 5538249 | Golf putter head | — | 1996-07-23 |
| 4986544 | Golf putter | — | 1991-01-22 |
| D256262 | Golf putter head | — | 1980-08-05 |