Patents/Inventors

Robert Hart Ringer

Portland, ORUS10 patents

3 Patents

US125991952026
Fully Convertible High Heel-to-flat Shoe
Pashion Footwear, Inc.
0 cites
US121875022025
Sport Water Bottle with High Flow Rate
BIVO, LLC
0 cites
US117806572023
Sport Water Bottle with High Flow Rate
Bivo, LLC
0 cites