Patents/Inventors

Valdemar Portney

Newport Coast, CAUS7 patents

3 Patents

US126191032026
Diffractive Multifocal Small Aperture Ophthalmic Lens
0 cites
US118468322023
Presbyopia Correction with Individual Performance Optimization
0 cites
US117199582023
Multi-chamber Switchable Optical Element
0 cites