Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9097841 | Fresnel lens array with novel lens element profile | Margaret Ree Fraelich | 2015-08-04 |
| 6037594 | Motion detector with non-diverging insensitive zones | Richard N. Claytor | 2000-03-14 |