Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9995604 | Optical sensor | Arnold Peter Roscoe Harpin, John Paul Drake | 2018-06-12 |
| 9989385 | Method of assembling an optical sensor | Arnold Peter Roscoe Harpin, Stephen James Fasham | 2018-06-05 |
| 9448105 | Optical sensor | Arnold Peter Roscoe Harpin, Stephen James Fasham | 2016-09-20 |
| 9404771 | Optical sensor | Arnold Peter Roscoe Harpin, John Paul Drake | 2016-08-02 |
| 8705045 | Optical sensor | Arnold Peter Roscoe Harpin, John Paul Drake | 2014-04-22 |
| 4999741 | Package in the heat dissipation of Electronic devices | — | 1991-03-12 |