Karl-Heinz Feistel

Follow

Organization

Nuremberg, DE

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Active fourth-degree filter element
- Patent number 4,659,995
- Issue date Apr 21, 1987
- Karl-Heinz Feistel
- Karl H. Feistel
- H03 - BASIC ELECTRONIC CIRCUITRY