patens / patents / pattens [ˈpætənz]
patens – n. pl. – thin circular metal plates
patents – n. pl. & v. (3rd sing. pres. of patent) – n. – 1. documents from government authorities conferring right or title to use a property, or make or sell an invention; 2. inventions or processes so protected; v. – 1. to obtain patents; 2. to grants patents
pattens – n. pl. – shoes or clogs for walking in mud