Issued Patents All Time
Showing 25 most recent of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12376639 | Hinged attachment of headgear to a helmet | Charles H. Rogers, Darwin Keith-Lucas, Duco W. Noordzij | 2025-08-05 |
| 12290130 | Pivot-arm assembly for a helmet mounted headset | Nathan E. Winters, Michael Aaskov | 2025-05-06 |
| D1063889 | Headset for helmet | — | 2025-02-25 |
| 11672296 | Hinged attachment of headgear to a helmet | Charles H. Rogers, Darwin Keith-Lucas, Duco W. Noordzij | 2023-06-13 |
| 11337478 | Mounting rail for attaching accessories to a safety helmet | Charles H. Rogers, Darwin Keith-Lucas, Duco W. Noordzij | 2022-05-24 |
| 11246367 | Mounting system for accessories on a safety helmet | Charles H. Rogers, Darwin Keith-Lucas, Duco W. Noordzij | 2022-02-15 |
| D901082 | Helmet | Duco W. Noordzij | 2020-11-03 |
| D895211 | Helmet | Duco W. Noordzij | 2020-09-01 |
| D895212 | Helmet | Duco W. Noordzij | 2020-09-01 |
| D894494 | Helmet | Duco W. Noordzij | 2020-08-25 |
| 10702002 | Easily adjusted retention system for helmets | Edward R. Hall | 2020-07-07 |
| 10617168 | Pivot-arm assembly for a helmet mounted headset | Nathan E. Winters, Michael Aaskov | 2020-04-14 |
| 10281241 | Mandible shield | Duco W. Noordzij, Christopher Barmore | 2019-05-07 |
| 9991963 | Multi-channel tunable laser | Ramsey Selim, Karl Boylan, Ian Lealman, Richard Wyatt | 2018-06-05 |
| 9801424 | Helmet provided with an adjustable device for the helmet comfort liner | Giovanni Mazzarolo, Duco W. Noordzij | 2017-10-31 |
| 9717294 | Hinged attachment of headgear to a helmet | Charles H. Rogers, Darwin Keith-Lucas, Duco W. Noordzij | 2017-08-01 |
| 9572387 | Helmet edge band | — | 2017-02-21 |
| D766871 | Helmet mounted headset | Nathan E. Winters, Michael Aaskov, Jason W. O'Connell | 2016-09-20 |
| 9398783 | Helmet with shell having raised central channel and ear holes with abutting slopped banks | Kenneth W. Nimmons, Duco W. Noordzij, Eduard U. Milea, Larry E. Maddux, Ray Drake | 2016-07-26 |
| D757159 | Pair of mount arms for a visor | Duco W. Noordzij, Kyle Lamson | 2016-05-24 |
| D757155 | Combined visor and mandible shield | Duco W. Noordzij, Kyle Lamson | 2016-05-24 |
| D750846 | Helmet mounted rail | Duco W. Noordzij | 2016-03-01 |
| D750847 | Helmet mount | Duco W. Noordzij | 2016-03-01 |
| D748347 | Mandible shield | Duco W. Noordzij, Kyle Lamson | 2016-01-26 |
| D740496 | Mandible shield | Duco W. Noordzij, Kyle Lamson | 2015-10-06 |