Gerd Stoffel

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D-7750 Konstanz, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a two-chamber pressure package
- Patent number 5,779,424
- Issue date Jul 14, 1998
- Gerd Stoffel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for producing a two-chamber pressurized package
- Patent number 5,069,590
- Issue date Dec 3, 1991
- Gerd Stoffel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...