Benno Jahnel

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Berlin, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method for working or reworking a diamond guide element
- Patent number 3,990,190
- Issue date Nov 9, 1976
- TED Bildplatten Aktiengesellschaft, AEG-Telefunken, TELDEC
- Wolfgang Rainer
- B24 - GRINDING POLISHING
Information Patent Grant
Playback device for a disc-shaped record carrier with transducer li...
- Patent number 3,973,080
- Issue date Aug 3, 1976
- TED Bildplatten Aktiengesellschaft, AEG-Telefunken, TELDEC
- Gerhard Dickopp
- G11 - INFORMATION STORAGE
Information Patent Grant
Record disc foil support system with charge leakage means
- Patent number 3,932,710
- Issue date Jan 13, 1976
- TED Bildplatten Aktiengesellschaft, AEG-Telefunken, TELDEC
- Gerhard Dickopp
- G11 - INFORMATION STORAGE