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Bertil Johansson
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Vickavagen, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Cartridge case
Patent number
D647160
Issue date
Oct 18, 2011
CBJ Tech AB
Bertil Johansson
D22 - Arms, pyrotechnics, hunting and fishing equipment
Information
Patent Grant
Sub-calibre projectile and method of making such a projectile
Patent number
6,814,006
Issue date
Nov 9, 2004
Bertil Johansson
F42 - AMMUNITION BLASTING
Information
Patent Grant
Firing mechanism at firearms
Patent number
6,640,478
Issue date
Nov 4, 2003
Bertil Johansson
F41 - WEAPONS
Information
Patent Grant
Sight
Patent number
6,615,530
Issue date
Sep 9, 2003
CBJ Tech AB
Bertil Johansson
F41 - WEAPONS
Information
Patent Grant
Method to consolidate a metal powder body and forging produced by t...
Patent number
4,966,818
Issue date
Oct 30, 1990
Uddeholm Tooling Aktiebolag
Bertil Johansson
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for operating the bolt in automatic weapons
Patent number
4,807,512
Issue date
Feb 28, 1989
Bertil Johansson
F41 - WEAPONS
Information
Patent Grant
Magazine locking means for firearms having a magazine in a pistol grip
Patent number
4,798,018
Issue date
Jan 17, 1989
Bertil Johansson
F41 - WEAPONS
Patents Applications
last 30 patents
Information
Patent Application
Sub-calibre projectile and method of making such a projectile
Publication number
20030167958
Publication date
Sep 11, 2003
Bertil Johansson
F42 - AMMUNITION BLASTING
Information
Patent Application
Sight
Publication number
20020062590
Publication date
May 30, 2002
Bertil Johansson
F41 - WEAPONS
Information
Patent Application
Firing mechanism at firearms
Publication number
20020053155
Publication date
May 9, 2002
Bertil Johansson
F41 - WEAPONS