Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8702465 | Method of manufacturing an electrode-less incandescent bulb | Charles Guthrie, Robin Devonshire, Donald Wilson, Floyd Pothoven | 2014-04-22 |
| 8469763 | Plasma crucible sealing | Andrew Simon Neate, Barry Preston, Amjid Sadiq, Hussein Sonde | 2013-06-25 |
| 8217564 | Electrodeless bulb having improved dimensions for light emission | Barry Preston | 2012-07-10 |
| 4988916 | Discharge arc lamp | Martin G. Scott | 1991-01-29 |