Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12114081 | Systems and methods for creating a full-color image in low light | Ellen B. Cargill, Dennis W. Purcell | 2024-10-08 |
| 11070773 | Systems and methods for creating full-color image in low light | Ellen B. Cargill, Dennis W. Purcell | 2021-07-20 |
| 10893181 | System and apparatus for color imaging device | Paul Stump, Robert Pitman, Ellen B. Cargill, Dennis W. Purcell | 2021-01-12 |
| 10341621 | Systems and methods for creating full-color image in low light | Ellen B. Cargill, Dennis W. Purcell | 2019-07-02 |
| 10009379 | Systems and methods for sterilizing email attachments and other communications delivered by email | — | 2018-06-26 |
| 9955127 | Systems and methods for creating full-color image in low light | Ellen B. Cargill, Dennis W. Purcell | 2018-04-24 |
| 9659192 | Secure deterministic fabric switch system and method | Kevin A. Wanasek, Brian S. Rach, Greg L. Shelton | 2017-05-23 |
| 9177988 | Systems and methods for creating full-color image in low light | Ellen B. Cargill, Dennis W. Purcell | 2015-11-03 |
| 9069111 | Laser filter for rifle scope | — | 2015-06-30 |
| 8896662 | Method of creating a virtual window | — | 2014-11-25 |
| 8890370 | Systems and methods for an intelligent energy-saving power supply | — | 2014-11-18 |
| 8791984 | Digital security camera | Ellen B. Cargill, Dennis W. Purcell | 2014-07-29 |
| 8564640 | Systems and methods of creating a virtual window | Dennis W. Purcell | 2013-10-22 |
| 8446509 | Methods of creating a virtual window | Dennis W. Purcell | 2013-05-21 |
| 8269818 | Method of creating a virtual window | — | 2012-09-18 |
| 8142034 | Laser filter for rifle scope | — | 2012-03-27 |
| 7929727 | Methods for visually separating an object from its background, methods for detecting a camouflaged object against its background and detection apparatus embodying such methods | Dennis W. Purcell | 2011-04-19 |
| 7916152 | Technique for enabling color blind persons to distinguish between various colors | Dennis W. Purcell | 2011-03-29 |
| 7686462 | Methods for reflection reductions | — | 2010-03-30 |
| 7507964 | Method for providing color images from a monochromatic electro-optical device using two optical channels and systems, apparatuses and devices related thereto | Dennis W. Purcell | 2009-03-24 |
| 7264356 | Techniques for diagnosing and aiding color vision | Dennis W. Purcell | 2007-09-04 |
| 7262789 | Method of creating a virtual window | — | 2007-08-28 |
| 7145571 | Technique for enabling color blind persons to distinguish between various colors | Dennis W. Purcell | 2006-12-05 |
| 6614606 | Methods and apparatus for providing color images from monochromatic night vision and other electro-optical viewing devices | — | 2003-09-02 |
| 6275337 | Method for viewing through reflections from a reflective surface without affecting point of impact | — | 2001-08-14 |