Lars-Gunnar Lofgren

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Gyttorp, SE

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Patents Grantslast 30 patents

Information Patent Grant
Combined signal transmission device and detonating cord for blastin...
- Patent number D301599
- Issue date Jun 13, 1989
- Nitro Nobel AB
- Lars-Gunnar Lofgren
- D22 - Arms, pyrotechnics, hunting and fishing equipment
Information Patent Grant
Signal transmission device for blasting assembly
- Patent number D293928
- Issue date Jan 26, 1988
- Nitro Nobel AB
- Lars-Gunnar Lofgren
- D22 - Arms, pyrotechnics, hunting and fishing equipment