Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8900073 | Golf tee and manufacturing method thereof | Sung-Eun Lee | 2014-12-02 |
| D696365 | Golf tee | Seong Eun Lee | 2013-12-24 |
| 7494429 | Golf tee with a momentarily releasable upper body; equipped with two retracting springs at the moment of impact | — | 2009-02-24 |
| D555218 | Golf tee | Seong Eun Lee | 2007-11-13 |
| D543597 | Golf tee | Sung-Eun Lee | 2007-05-29 |
| D518537 | Golf tee for mat | Seong Eun Lee | 2006-04-04 |
| D516648 | Golf tee | Seong Eun Lee | 2006-03-07 |
| 6783470 | Golf tee | — | 2004-08-31 |