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Heins; Hans P.
Wilhelmshaven, DE
No. of patents:

Patent Number Title Of Patent Date Issued
4913572 Reloadable ribbon cassette for typewriters or office machines of similar construction April 3, 1990
Ribbon cassettes for typewriters or office machines of similar construction are subject to differnt structural requirements and primarily they are to be easily exchangeable in a one-hand operation. Since additionally the ribbon cassettes are also designed as disposable components, many s

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