Bernhard Brabetz

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Munich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Remelting process for printed circuit boards
- Patent number 5,174,020
- Issue date Dec 29, 1992
- Siemens Aktiengesellschaft
- Bernhard Brabetz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multi-layer printed circuit board and method for determining the ac...
- Patent number 4,432,037
- Issue date Feb 14, 1984
- Siemens Aktiengesellschaft
- Bernhard Brabetz
- G01 - MEASURING TESTING
Information Patent Grant
Drill comprised of hard metal for drilling contact holes in circuit...
- Patent number 4,231,692
- Issue date Nov 4, 1980
- Siemens Aktiengesellschaft
- Bernhard Brabetz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of producing holes free of accretions in circuit boards made...
- Patent number 4,190,386
- Issue date Feb 26, 1980
- Siemens Aktiengesellschaft
- Bernhard Brabetz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR