Juergen Doelves

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Kiel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and circuit for driving a stepping motor
- Patent number 4,737,700
- Issue date Apr 12, 1988
- Dr. Ing. Rudolf Hell GmbH
- Juergen Doelves
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method for recording printing forms
- Patent number 4,729,037
- Issue date Mar 1, 1988
- Dr. Ing. Rudolf Hell GmbH
- Juergen Doelves
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for engraving printing cylinders having seamless joints with...
- Patent number 4,688,101
- Issue date Aug 18, 1987
- Dr. Ing. Rudolf Hell GmbH
- Juergen Doelves
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for improved reproduction of edges formed by engraving of sc...
- Patent number 4,259,697
- Issue date Mar 31, 1981
- Dr. Ing. Rudolf Hell GmbH
- Juergen Doelves
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for improved reproduction of edges by engraving screened pri...
- Patent number 4,245,260
- Issue date Jan 13, 1981
- Dr. Ing. Rudolf Hell GmbH
- Juergen Doelves
- H04 - ELECTRIC COMMUNICATION TECHNIQUE