Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9221105 | Drill chuck | Bach Gong | 2015-12-29 |
| 8695991 | Drill chuck | Bach Gong | 2014-04-15 |
| 8511692 | Drill chuck | Bach Gong | 2013-08-20 |
| 8191902 | Drill chuck | Bach Gong | 2012-06-05 |
| 7997587 | Drill chuck | Bach Gong | 2011-08-16 |
| 7748719 | Drill chuck | Bach Gong | 2010-07-06 |
| 7472913 | Drill chuck | Bach Gong | 2009-01-06 |
| 6402160 | Chuck with improved bearing | Robert A. Grogan, William H. Aultman, Gary L. Young, Mark S. Huggins | 2002-06-11 |
| 5499828 | Lever bar keyless chuck | Glenn L. Salpaka | 1996-03-19 |