Every year, an estimated nine billion pens are thrown away globally 1, contributing to significant waste and with vast quantities ending up in landfill. One of the most well-known brands in the ...
A recently granted patent (Publication Number: US11926171B2) discloses a unique writing kit that includes a refillable free ink writing felt pen body and one or more nibs. The refillable pen body ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback