Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12273013 | Exchangeable in-pipe power generating device | Yi-Ji Lin | 2025-04-08 |
| 8027087 | Multilayer wire-grid polarizer with off-set wire-grid and dielectric grid | Raymond T. Perkins, Douglas P. Hansen, Eric Gardner | 2011-09-27 |
| 7813039 | Multilayer wire-grid polarizer with off-set wire-grid and dielectric grid | Raymond T. Perkins, Douglas P. Hansen, Eric Gardner | 2010-10-12 |
| 7570424 | Multilayer wire-grid polarizer | Raymond T. Perkins, Douglas P. Hansen, Eric Gardner | 2009-08-04 |