Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12367786 | Systems and methods for testing skills capability using technologically-enhanced questions in a computerized environment | Nat Foster | 2025-07-22 |
| 12125409 | Systems and methods for dynamic monitoring of test taking | Steve Addicott | 2024-10-22 |
| 11961416 | Systems and methods for testing skills capability using technologically-enhanced questions in a computerized environment | Nat Foster | 2024-04-16 |
| 11686553 | Firearm retainer for holsters | — | 2023-06-27 |
| 11636773 | Systems and methods for dynamic monitoring of test taking | — | 2023-04-25 |
| 11389856 | Expanding tool and method | David S. Pearl, II, Douglas B. Pearl, Dragan Bukur | 2022-07-19 |
| 11386798 | Systems and methods for testing skills capability using technologically-enhanced questions in a computerized environment | Nat Foster | 2022-07-12 |
| 11268742 | Refrigerant charging tool and method | David S. Pearl, II, Dragan Bukur, Douglas B. Pearl | 2022-03-08 |
| 11150050 | Inside waistband concealed carrier | Cecil Wayne Gordon | 2021-10-19 |
| 11143445 | Refrigeration hose with multiple access points and method of evacuating an air conditioning or refrigeration unit using the same | Douglas B. Pearl | 2021-10-12 |
| 11054215 | Firearm retainer for holsters | — | 2021-07-06 |
| 10655930 | Inside waistband concealed carrier | Cecil Wayne Gordon | 2020-05-19 |
| 10226810 | Expanding tool and method | David S. Pearl, II, Douglas B. Pearl, Dragan Bukur | 2019-03-12 |
| 10168121 | Inside waistband concealed carrier | Cecil Wayne Gordon | 2019-01-01 |
| 10101120 | Inside waistband holster for a concealed weapon | Cecil Wayne Gordon | 2018-10-16 |
| 9987730 | Dual function adapter and method | David S. Pearl, II, Douglas B. Pearl, Dragan Bukur | 2018-06-05 |
| 9803901 | Vaporizing refrigerant charging tool with visual inspection window | David S. Pearl, II, Dragon Bukur, Douglas B. Pearl | 2017-10-31 |
| 9500440 | Inside waistband holster for a concealed weapon | Cecil Wayne Gordon | 2016-11-22 |
| 9328870 | Flow regulator for nitrogen purging, system and method | David S. Pearl, II, Dragan Bukur, Douglas B. Pearl | 2016-05-03 |
| 9118195 | Mobile communication device housing | — | 2015-08-25 |
| 8432124 | Portable electronic device carrier with charging system | — | 2013-04-30 |
| 7461400 | Methods, systems, and computer program products for providing authentication in a computer environment | Suriya Sena | 2008-12-02 |
| 7326056 | Computer-based learning environment utilizing quantitative model-based simulations | — | 2008-02-05 |
| 6498475 | Performance sensor ring with reduced mass | Larry R Kreh, Karl Edward Kalb | 2002-12-24 |
| 6471114 | Multiple flame torch tip and method | David S. Pearl, II, Frank G. Smith | 2002-10-29 |