Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8292428 | Ophthalmic devices having a highly selective violet light transmissive filter and related methods | Alan J. Lang, Michael D. Lowery, Jason Clay Pearson, Max A. Weaver, Jean Carroll Fleischer +1 more | 2012-10-23 |
| 8047650 | Ophthalmic devices having a highly selective violet light transmissive filter and related methods | Alan J. Lang, Michael D. Lowery, Jason Clay Pearson, Max A. Weaver, Jean Carroll Fleischer +1 more | 2011-11-01 |
| 7278737 | Ophthalmic devices having a highly selective violet light transmissive filter and related methods | Alan J. Lang, Michael D. Lowery, Jason Clay Pearson, Max A. Weaver, Jean Carroll Fleischer +1 more | 2007-10-09 |
| 5623323 | Extra wide field ophthalmic lens | Robert D. Johnson, Janet L. Crossman | 1997-04-22 |
| 5589896 | Adjustable indirect ophthalmoscopy lens | Janet L. Crossman, Robert D. Johnson | 1996-12-31 |
| 5309187 | High magnification ophthalmic lens | Janet L. Crossman, Phillip J. Erickson, Gregory Heacock | 1994-05-03 |
| 5189450 | High magnification ophthalmic lens | Janet L. Crossman, Phillip J. Erickson, Gregory Heacock | 1993-02-23 |
| 5007729 | Wide angle ophthalmic lens | Phillip J. Erickson, Janet L. Crossman, Gregory Heacock | 1991-04-16 |
| 4728183 | Ophthalmic lens for observing the fundus of the eye | Gregory Heacock, Phillip J. Erickson | 1988-03-01 |