Heinrich Gruenwald

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D-7431 Gomaringen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the emission-free, in particular CFC-free, cleaning of...
- Patent number 5,362,330
- Issue date Nov 8, 1994
- Leica Mikroskopie und Systeme GmbH
- Elke Preussner
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for plasma etching
- Patent number 5,009,738
- Issue date Apr 23, 1991
- Leybold Aktiengesellschaft
- Heinrich Gruenwald
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for removing metallic ions from items made of glass or cera...
- Patent number 4,983,255
- Issue date Jan 8, 1991
- Heinrich Gruenwald
- C03 - GLASS MINERAL OR SLAG WOOL