Doduco; Eugen Durrwachter

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Pforzheim, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for manufacturing double contact rivets
- Patent number 4,073,425
- Issue date Feb 14, 1978
- Doduco; Eugen Durrwachter
- Erwin Bollian
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process of producing solderable composites containing AgCdO
- Patent number 3,935,988
- Issue date Feb 3, 1976
- Doduco; Eugen Durrwachter
- Ulf O. Harmsen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73184482 - SISTADOX
- Serial number 73184482
- Registration number 1144816
- Filing date Sep 5, 1978
- EUGEN DURRWACHTER DODUCO
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments