Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8754552 | Permittivity-based paper shredder control system | Hsin-Hsiung Chen, Kevin Chen, Chung Shih Tsai | 2014-06-17 |
| 8079537 | Safety shredder | — | 2011-12-20 |
| 8018099 | Touch-sensitive paper shredder control system | — | 2011-09-13 |
| 7757985 | Safety shredder | — | 2010-07-20 |
| 7622831 | Touch-sensitive paper shredder control system | — | 2009-11-24 |
| 7503516 | Paper-breaker supporting framework structures | — | 2009-03-17 |
| 7471017 | Paper-breaker touching safety protector | — | 2008-12-30 |
| D555716 | Paper breaker | — | 2007-11-20 |