Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123052 | Methods and apparatus for sequential amplification reactions | David H. Persing, Alan Wortman, Ronald Chang, David Swenson | 2024-10-22 |
| 10907202 | Methods and apparatus for sequential amplification reactions | David H. Persing, Alan Wortman, Ronald Chang, David Swenson | 2021-02-02 |
| 9873909 | Methods and apparatus for sequential amplification reactions | David H. Persing, Alan Wortman, Ronald Chang, David Swenson | 2018-01-23 |
| 8900828 | Methods and apparatus for sequential amplification reactions | David H. Persing, Alan Wortman, Ronald Chang, David Swenson | 2014-12-02 |
| 5335460 | Tilt to clean gutter system | — | 1994-08-09 |
| D282379 | Drawing board | Colin W. Rogers | 1986-01-28 |
| 4380124 | Drawing board | — | 1983-04-19 |
| 4336140 | Water purification process | Trevor A. Peploe | 1982-06-22 |