Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11891526 | Ink composition for cosmetic contact lenses | Yong Zhang, Alexander Guzman, Ghulam Maharvi | 2024-02-06 |
| 11724472 | Process for manufacture of a thermochromic contact lens material | Donnie J. Duis, Nayiby Alvarez-Carrigan, Holly L. Grammer, Ture Kindt-Larsen, Frank Molock +2 more | 2023-08-15 |
| 11509755 | Method and means for evaluating toric contact lens rotational stability | Ranganath Raja, Peter W. Sites, Benjamin Straker, Raymond Szkutak, Jason Tokarski | 2022-11-22 |
| 10996491 | Ink composition for cosmetic contact lenses | Yong Zhang, Alexander Guzman | 2021-05-04 |
| 10894374 | Process for manufacture of a thermochromic contact lens material | Donnie J. Duis, Nayiby Alvarez-Carrigan, Holly L. Grammer, Ture Kindt-Larsen, Frank Molock +2 more | 2021-01-19 |
| 9975301 | Process for manufacture of a thermochromic contact lens material | Donnie J. Duis, Nayiby Alvarez-Carrigan, Holly L. Grammer, Ture Kindt-Larsen, Frank Molock +2 more | 2018-05-22 |
| 9250357 | Silicone-containing contact lens having reduced amount of silicon on the surface | Shivkumar Mahadevan, Douglas G. Vanderlaan, Charles W. Scales, Kunisi Venkatasubban | 2016-02-02 |
| 8877103 | Process for manufacture of a thermochromic contact lens material | Nayiby Alvarez-Carrigan, Donnie J. Duis, Holly L. Grammer, Ture Kindt-Larsen, Frank Molock +2 more | 2014-11-04 |