Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8870434 | Asymmetric serrated edge light guide film having circular base segments | Qi Hong | 2014-10-28 |
| 8858058 | Asymmetric serrated edge light guide film having circular base segments | Qi Hong | 2014-10-14 |
| 8491172 | Symmetric serrated edge light guide film having elliptical base segments | Qi Hong | 2013-07-23 |
| 8480283 | Asymmetric serrated edge light guide film having elliptical base segments | Qi Hong | 2013-07-09 |
| 8382360 | Symmetric serrated edge light guide film having elliptical base segments | Qi Hong | 2013-02-26 |
| 5368578 | Hypodermic syringe holder | Roger G. Covington, Douglas C. Mehl, John J. Niedospial, Jr. | 1994-11-29 |