Herbert Bumberger

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Patents Grantslast 30 patents

Information Patent Grant
Closure mechanism with gas seal
- Patent number RE33036
- Issue date Aug 29, 1989
- Didier-Werke AG
- Bernhard Schiefer
- 222 - Dispensing
Information Patent Grant
Closure mechanism with gas seal
- Patent number 4,555,050
- Issue date Nov 26, 1985
- Didier-Werke AG
- Bernhard Schiefer
- B22 - CASTING POWDER METALLURGY