Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7083527 | Putting aid for aiding a golfer in property aligning the golfer's line of sight, putting stroke and club head angle | Woon Shing Tai | 2006-08-01 |
| 6773357 | Putting aid for aiding a golfer in properly aligning the golfer's line of sight, putting stroke and club head angle | Woon Shing Tai | 2004-08-10 |