Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8897717 | Dual-feed antenna array with integral comparison circuit for phase and amplitude calibration | Paul Ferguson, Mark Virtue, Eduard Shestak, Ruy C. Brandao, Pal Meiyappan +1 more | 2014-11-25 |
| 4860855 | Collapsible safety attachment for ladder | — | 1989-08-29 |
| 4770272 | Safety attachment for ladder | — | 1988-09-13 |