Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7936670 | System, method and program to control access to virtual LAN via a switch | John Paul Cazares, Jade W. Clifford, Charles S. Lingafelt | 2011-05-03 | $5,933,000 |
| 7707633 | Applying blocking measures progressively to malicious network traffic | Robert Danford, Kenneth M. Farmer, Clark Debs Jeffries, Michael Walter | 2010-04-27 | $6,715,000 |
| 7523496 | Authenticating without opening electronic mail | John H. Bickford, Charles S. Lingafelt | 2009-04-21 | $5,028,000 |
| 7308716 | Applying blocking measures progressively to malicious network traffic | Robert Danford, Kenneth M. Farmer, Clark Debs Jeffries, Michael Walter | 2007-12-11 | $7,826,000 |
| 7007169 | Method and apparatus for protecting a web server against vandals attacks without restricting legitimate access | Charles S. Lingafelt, John J. McKenna | 2006-02-28 | $8,236,000 |