Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10208425 | Method for dyeing golf balls and dyed golf balls | Bradley C. Tutmark, Yihua Chang | 2019-02-19 |
| 9974362 | Assembly for coloring articles and method of coloring | Jared S. Baggen, Feng Ye | 2018-05-22 |
| 9970155 | Acid dyeing of polyurethane materials | Reiko Matsuda-Dunn, Richard L. Watkins, Yihua Chang | 2018-05-15 |
| 9863089 | Method for dyeing golf balls and dyed golf balls | Bradley C. Tutmark, Yihua Chang | 2018-01-09 |
| 9668538 | System and method for coloring articles | Ye Feng, Jared S. Baggen | 2017-06-06 |