Volker Frank

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Heidelberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Tape cassette, in particular a video tape cassette, and a pressure...
- Patent number 4,717,091
- Issue date Jan 5, 1988
- BASF Aktiengesellschaft
- Klaus Schoettle
- G11 - INFORMATION STORAGE
Information Patent Grant
Plate spring for a tape cassette
- Patent number 4,613,095
- Issue date Sep 23, 1986
- BASF Aktiengesellschaft
- Klaus Schoettle
- G11 - INFORMATION STORAGE