Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11957805 | Light-activated chlorine dioxide-releasing powder and method of manufacture | Sumner A. Barenberg, Xiao Tian | 2024-04-16 |
| 9063350 | Colored contact lens | — | 2015-06-23 |
| 8997645 | Print pad | — | 2015-04-07 |
| 7870823 | Multilayer print pad | — | 2011-01-18 |
| 7651652 | Print pad and method of manufacture | — | 2010-01-26 |
| 6979419 | Method of manufacturing a print pad having a surface textured for printing on a highly polished surface such as a contact lens or a contact lens mold | — | 2005-12-27 |
| 6878314 | Method for automatic manufacture of and printing on astigmatic contact lenses and apparatus therefor | — | 2005-04-12 |
| 6471891 | Method for automatic manufacture of and printing on astigmatic contact lenses and apparatus therefor | — | 2002-10-29 |
| 6393981 | Multiple color printer having vertically moveable print pad | — | 2002-05-28 |
| 6288852 | Method and apparatus for retaining a contact lens | — | 2001-09-11 |
| 6123021 | Multiple color printer for printing on small objects | — | 2000-09-26 |
| 4885856 | Optical prism display device | — | 1989-12-12 |
| 4832443 | Fibre optic cable having a layer of a polyethylene composition and process of making same | Denis J. McMahon | 1989-05-23 |