Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444076 | Optical devices and their method of assembly | Ronald E. Johnson, Joshua U. Otaigbe, Joy C. Wu | 2002-09-03 |
| 5232637 | Ophthalmic lens method | David Dasher, E. Robert Fretz, Jr., Mark Stephen Friske, Ronald E. Johnson, David J. Kerko +4 more | 1993-08-03 |
| 5139857 | Composite article composed of rigid components with different coefficients of thermal expansion | Ronald E. Johnson, Jean News | 1992-08-18 |