Guy Matzen

Follow

Person

Paris, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Nutritive glasses for agriculture
- Patent number 5,037,470
- Issue date Aug 6, 1991
- Isover-Saint Gobain
- Guy Matzen
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Nutritive glasses for agriculture
- Patent number 4,867,779
- Issue date Sep 19, 1989
- Isover-Saint Gobain
- Jean-Paul Meunier
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Glass fibers and a composition for manufacturing the same
- Patent number 4,615,988
- Issue date Oct 7, 1986
- Isover-Saint Gobain
- Simone Le Moigne
- C03 - GLASS MINERAL OR SLAG WOOL