Gunnar I. Hagbjer

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Malmo, 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
Vibration damped structures and objects
- Patent number 4,338,758
- Issue date Jul 13, 1982
- Reduc Acoustics AB
- Gunnar Hagbjer
- E04 - BUILDING
Information Patent Grant
Sandwich structures with partial damping layers
- Patent number 4,195,713
- Issue date Apr 1, 1980
- Reduc Acoustics AB
- Gunnar I. Hagbjer
- B32 - LAYERED PRODUCTS