Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9416937 | Thin profile lens for flashlight | Gregory David Windom | 2016-08-16 |
| D759279 | Flashlight tailcap | David D. Lewin | 2016-06-14 |
| D751742 | Flashlight | Gregory David Windom, David D. Lewin, Kam Fu Choo, Douglas R. Hutchens | 2016-03-15 |
| D750306 | Flashlight | Gregory David Windom, David D. Lewin | 2016-02-23 |
| 9200487 | Alignment of downhole strings | Ian Draper, John H. Clark | 2015-12-01 |
| D736981 | Flashlight | Gregory David Windom, David D. Lewin | 2015-08-18 |
| D724248 | Headlamp | David D. Lewin | 2015-03-10 |
| D715535 | Headband cord retainer | David D. Lewin | 2014-10-21 |
| D683877 | Flashlight | Gregory David Windom | 2013-06-04 |
| D675358 | Flashlight | Gregory David Windom | 2013-01-29 |
| D658324 | Lantern | William James Reimann, Jun Fang, Wei-Chih Huang | 2012-04-24 |
| 8152327 | Focusing lens system | R. Stephen Mulder, David D. Lewin | 2012-04-10 |
| D650104 | Lantern | David D. Lewin | 2011-12-06 |
| D645592 | Flashlight | David D. Lewin | 2011-09-20 |
| D611791 | Pliers head | — | 2010-03-16 |
| D603681 | Foldable lighted multi-purpose tool | — | 2009-11-10 |
| D603682 | Foldable lighted multi-purpose tool | — | 2009-11-10 |
| 6196319 | Hydraulic sand removal tool | Rudolf Antonius Henskens | 2001-03-06 |