Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8773077 | Controllers for battery chargers and battery chargers therefrom | John C. Elmes, III, Rene Kersten | 2014-07-08 |
| 8414144 | Quick change lamp ballast assembly | Donald Yochum, John C. Elmes, III | 2013-04-09 |
| 7788863 | Astragal boot | James W. Meeks, Brian S. Hewitt | 2010-09-07 |
| 7641389 | Magnetic devices | Anke Husmann | 2010-01-05 |
| 7543860 | Slide bolt assembly for an astragal | James W. Meeks, Brian S. Hewitt | 2009-06-09 |
| 7472516 | Adjustable threshold assembly | James W. Meeks | 2009-01-06 |
| D544337 | Astragal boot | James W. Meeks, Brian S. Hewitt | 2007-06-12 |
| D541629 | Astragal boot | James W. Meeks, Brian S. Hewitt | 2007-05-01 |
| 4559549 | Data storage devices with vertical charge transfer | Derek H. Roberts | 1985-12-17 |
| 4220918 | Radiation hardness testing for field effect devices | — | 1980-09-02 |