Patents/Inventors

Augustine Twum Kumi

Grayson, GAUS7 patents

8 Patents

US123602892025
Method for Making Embedded Hydrogel Contact Lenses
Alcon Inc.
0 cites
US123395282025
Colored Cosmetic Photochromic Contact Lenses
Alcon Inc.
0 cites
US121946992025
Embedded Hydrogel Contact Lenses
Alcon Inc.
0 cites
US121629872024
Silicone Hydrogel Contact Lenses
Alcon Inc.
0 cites
US119451812024
Method for Making Photochromic Contact Lenses
Alcon Inc.
0 cites
US118860452024
Method for Making Photochromic Contact Lenses
Alcon Inc.
0 cites
US118337712023
Method for Making Photochromic Contact Lenses
Alcon Inc.
0 cites
US118021822023
Silicone Hydrogel Contact Lenses
Alcon Inc.
0 cites