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Kehl, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Recording medium with an envelope, and an identification part therefor
Patent number
4,769,731
Issue date
Sep 6, 1988
BASF Aktiengesellschaft
Klaus Schoettle
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic tape cassette with equalization of electrostatic charges
Patent number
4,712,148
Issue date
Dec 8, 1987
BASF Aktiengesellschaft
Werner Balz
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cassette, in particular a video cassette, and a pressure sprin...
Patent number
4,687,157
Issue date
Aug 18, 1987
BASF Aktiengesellschaft
Klaus Schoettle
G11 - INFORMATION STORAGE
Information
Patent Grant
Brake and tape tensioning means for tape cassettes having flanged r...
Patent number
4,679,110
Issue date
Jul 7, 1987
BASF Aktiengesellschaft
Klaus Schoettle
G11 - INFORMATION STORAGE
Information
Patent Grant
Improvements in plate springs for tape cassettes in particular vide...
Patent number
4,656,549
Issue date
Apr 7, 1987
BASF Aktiengesellschaft
Klaus Schoettle
G11 - INFORMATION STORAGE
Information
Patent Grant
Guide system and magnetic tape cassette comprising such a system
Patent number
4,625,252
Issue date
Nov 25, 1986
BASF Aktiengesellschaft
Werner Balz
G11 - INFORMATION STORAGE
Information
Patent Grant
Video tape cassette
Patent number
4,621,779
Issue date
Nov 11, 1986
BASF Aktiengesellschaft
Horst Fitterer
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape cassette and spring member therefor
Patent number
4,557,433
Issue date
Dec 10, 1985
BASF Aktiengesellschaft
Horst Fitterer
G11 - INFORMATION STORAGE