Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10976573 | Method for designing a lens shape and spectacle lens | Ray Steven Spratt, Helmut Wietschorke, Angela Nolan, Saulius Raymond Varnas | 2021-04-13 |
| 10875140 | Manufacturing method for manufacturing a spectacle lens, spectacle lens and lens design method | Ray Steven Spratt, Angela Nolan, Michael Gall | 2020-12-29 |
| 10782541 | Method for designing a lens shape and spectacle lens | Ray Steven Spratt, Helmut Wietschorke, Angela Nolan, Saulius Raymond Varnas | 2020-09-22 |
| 10775642 | Method for designing a lens shape and spectacle lens | Ray Steven Spratt, Helmut Wietschorke, Angela Nolan, Saulius Raymond Varnas | 2020-09-15 |
| 10775641 | Method for designing a lens shape and spectacle lens | Ray Steven Spratt, Helmut Wietschorke, Angela Nolan, Saulius Raymond Varnas | 2020-09-15 |
| 9864212 | Method for reducing the thickness of a lens shape and uncut lens blank | Ray Steven Spratt, Timo Kratzer | 2018-01-09 |
| 8434025 | Ophthalmic lens design and/or dispensing | Scott Warren Fisher, Saulius Raymond Varnas, Michael Alan Morris, Ray Steven Spratt, Timo Kratzer | 2013-04-30 |