The Bissell 3-n-1 Stair tool is from my first internship which I was awarded the design patent for. This tool attachment for deep cleaners targets the 3 main parts of a stair case; tread, crevice, and nose.
The Bissell 3-n-1 Stair tool is from my first internship which I was awarded the design patent for. This tool attachment for deep cleaners targets the 3 main parts of a stair case; tread, crevice, and nose.