Inventor
RETTKE WILFRIED
DE7 patents
⚠️ This page may combine multiple inventors who share the name “RETTKE WILFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRIUMPH ADLER AG
6 patentsUS4611938ASep 16, 1986
Mechanism for raising and feeding ink ribbons in typewriters and similar machines
TRIUMPH ADLER AG35 citations85
US4747714AMay 31, 1988
Mechanisms for selectively raising and transporting print ribbons and correction tapes
TRIUMPH ADLER AG10 citations70
US4530613AJul 23, 1985
Device for monitoring paper in typewriters and similar machines
TRIUMPH ADLER AG17 citations65
US4609297ASep 2, 1986
Print and correction ribbon drive system
TRIUMPH ADLER AG6 citations58
US4753542AJun 28, 1988
Malfunction preventing arrangement of ribbon & correction tape
TRIUMPH ADLER AG1 citations48
US4710042ADec 1, 1987
Method and apparatus for indexing the print hammer of typewriters or the like
TRIUMPH ADLER AG0 citations48