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Inventor
TAPPEHORN BERND
DE
2 patents
Patents
2 patents
US4440514A
Apr 3, 1984
Adjustable ribbon feed rates dependent upon ribbon type for ink ribbon cassettes
OLYMPIA WERKE AG
23 citations
74
US4431324A
Feb 14, 1984
Sound damping ribbon cartridge for a typewriter or similar office machine
OLYMPIA WERKE AG
7 citations
68