KM

Kjell I. Mases

3M: 7 patents #2,212 of 11,543Top 20%
📍 Gagnef, SE: #1 of 3 inventorsTop 35%
Overall (All Time): #521,973 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
D539988 Welding helmet visor David Crafoord, Rutger Belin, Lennart C. Fredriksson, Jonas Fridholm, Oskar Juhlin +1 more 2007-04-03
D533313 Ear portion of a welding helmet David Crafoord, Rutger Belin, Lennart C. Fredriksson, Jonas Fridholm, Oskar Juhlin +1 more 2006-12-05
D532939 Top portion of a welding helmet Oskar Juhlin, Niklas Lilenthal, David Crafoord, Rutger Belin, Lennart C. Fredriksson +1 more 2006-11-28
D532560 Side portion of a welding helmet Lennart C. Fredriksson, Jonas Fridholm, Oskar Juhlin, Niklas Lilenthal, David Crafoord +1 more 2006-11-21
D526097 Side portion of a welding helmet Niklas Lilenthal, David Crafoord, Rutger Belin, Lennart C. Fredriksson, Jonas Fridholm +1 more 2006-08-01
D525395 Welding helmet lens frame Jonas Fridholm, Oskar Juhlin, Niklas Lilenthal, David Crafoord, Rutger Belin +1 more 2006-07-18
D524992 Pair of welding helmet visor flanges Rutger Belin, Lennart C. Fredriksson, Jonas Fridholm, Oskar Juhlin, Niklas Lilenthal +1 more 2006-07-11
6055666 Face shield Jorgen Eklund 2000-05-02
D398421 Protective helmet Carl-Goran Crafoord, Håkan Bergkvist, Rutger Belin 1998-09-15
5191468 Welder's helmet 1993-03-02