Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11543683 | Multifocal contact lens displaying improved vision attributes | Shivkumar Mahadevan, Dawn D. Wright, Thomas R. Karkkainen, Derek Nankivil | 2023-01-03 |
| 8992012 | Lens systems for presbyopia | C. Benjamin Wooley, Thomas R. Karkkainen | 2015-03-31 |
| 8393733 | Lenses for the correction of presbyopia and methods of designing the lenses | C. Benjamin Wooley, James W. Haywood, Thomas R. Karkkainen, Susan W. Neadle, Sheila B. Hickson-Curran | 2013-03-12 |
| 7753521 | Lenses for the correction of presbyopia and methods of designing the lenses | C. Benjamin Wooley, James W. Haywood, Thomas R. Karkkainen, Susan W. Neadle, Sheila B. Hickson-Curran | 2010-07-13 |
| D403384 | Exercise device | Frank Vranovich | 1998-12-29 |
| 5682726 | Method for forming and packaging iontophoretic drug delivery patches and the like to increase stability and shelf-life | Philip G. Green, Bernt Fredrik Julius Broberg | 1997-11-04 |
| 5400745 | Shellfish culture and harvesting system | David Saxby, Laurent L. Leroux, W. E. Lorne Clayton | 1995-03-28 |
| 4311937 | Axial gap electric motors | — | 1982-01-19 |
| 4225989 | Inflatable supports | Aubrey E. Corbett, Siu L. Ho | 1980-10-07 |