IFM Akustikbyran AB

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Stockholm, SE

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Patents Grantslast 30 patents

Information Patent Grant
Structural damping
- Patent number 4,527,371
- Issue date Jul 9, 1985
- IFM Akustikbyran AB
- Gunnar Hagbjer
- E04 - BUILDING
Information Patent Grant
Hygienic absorbent and use of a plastic foil in the absorbent
- Patent number 4,450,195
- Issue date May 22, 1984
- IFM Akustikbyran AB
- Gunnar Hagbjer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Road surfacing and method for manufacturing such road surfacing
- Patent number 4,396,312
- Issue date Aug 2, 1983
- IFM Akustikbyran AB
- Nils-Ake Nilsson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES