Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772151 | Color matching system and method | Richard C. Johnston, Susan Bates, Scott Russell, Michael E. Masterson, Kenneth E. Jacobson +1 more | 2004-08-03 |
| 6627299 | Controlled color laser marking of plastics | Ke Feng, Ronald M. Harris | 2003-09-30 |
| 6022905 | Controlled color laser marking of plastics | Ronald M. Harris, Ke Feng | 2000-02-08 |
| 6017972 | Controlled color laser marking of plastics | Ronald M. Harris, Ke Feng | 2000-01-25 |
| 5977514 | Controlled color laser marking of plastics | Ke Feng, Ronald M. Harris | 1999-11-02 |
| 5686515 | Colored polyethylene terephthalate composition and process of its manufacture | Tracy L. Phillips, Ronald M. Harris, Judy Ann Johnston | 1997-11-11 |