• All sections
• B - Performing operations; transporting
• B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction of typographical errors
• B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material

Patent holdings for IPC class B41J 3/407

Total number of patents in this class: 3540

10-year publication summary

Principal owners for this class