Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525571 | Screwdriver and ratchet mechanism thereof | — | 2020-01-07 |
| 9067807 | Treatment of wastewater | David S. Soane, Robert P. Mahoney, William Ware, Jr. | 2015-06-30 |
| 7748296 | Ratchet screwdriver with an accelerating structure | — | 2010-07-06 |
| D603683 | Tool handle | — | 2009-11-10 |
| 7353734 | Screwdriver having a ratchet mechanism | — | 2008-04-08 |
| D539744 | HDMI connector | Jin-Kui Hu, Guo-Hua Zhang | 2007-04-03 |
| 7185565 | Screwdriver having a ratchet mechanism | — | 2007-03-06 |
| 6997088 | Screwdriver heads chamber for a precise screwdriver | — | 2006-02-14 |
| 6968760 | Precision screwdriver having a turning head | — | 2005-11-29 |
| 6457385 | Precision driver rotation structure | — | 2002-10-01 |