JF

Jonas N. A. Frejd

3M: 6 patents #2,536 of 11,543Top 25%
Overall (All Time): #778,121 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12263363 Air respirator accessory having a battery connector plug with an unplug lever 2025-04-01
11779075 Protective headgear with adjustable air supply 2023-10-10
11253022 Protective headgear with adjustable air supply 2022-02-22
9775397 Elongated guide, and visor removably mountable thereto Björn Daniels, Niklas Lilenthal, Marcus T. R. Wiederkehr, Mats U. Sernfält, Oskar Juhlin +2 more 2017-10-03
9578916 Appliance mounting device and system for head gear Björn Daniels, Stefan Aberg, Mats U. Sernfält, Marcus T. R. Wiederkehr 2017-02-28
8701212 Elongated guide, and visor removably mountable thereto Björn Daniels, Niklas Lilenthal, Marcus T. R. Wiederkehr, Mats U. Sernfält, Oskar Juhlin +2 more 2014-04-22