Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8056401 | In-line moisture-content measurement of ceramic materials in ceramic article manufacturing | Robert John Locker, James Monroe Marlowe | 2011-11-15 | $16,184,000 |
| 6487879 | Method of making titania-doped fused silica | Jeffrey Blackwell, A. Renee Sutton, Carlton Maurice Truesdale | 2002-12-03 | $13,647,000 |
| 5312689 | Laminated ophthalmic lens | E. Robert Fretz, Jr., Mark Stephen Friske, Ronald E. Johnson | 1994-05-17 | $50,825,000 |
| 5232637 | Ophthalmic lens method | E. Robert Fretz, Jr., Mark Stephen Friske, Reba S. Herndon, Ronald E. Johnson, David J. Kerko +4 more | 1993-08-03 | $11,001,000 |
| 5223862 | High-index, organic lens member | E. Robert Fretz, Jr., John W. Nelson, Anthony R. Olszewski | 1993-06-29 | $8,245,000 |