Wolfgang Alberth

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Kirchham, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of and arrangement for etching an etch material consisting a...
- Patent number 5,071,508
- Issue date Dec 10, 1991
- International Business Machines Corporation
- Alfred Scheithauer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Spray etching apparatus with automatic individually controllable et...
- Patent number 5,002,627
- Issue date Mar 26, 1991
- International Business Machines Corporation
- Alfred Scheithauer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...