Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292586 | Multi-band color vision filters and method by LP-optimization | Donald M. McPherson | 2025-05-06 |
| 11940675 | Spectral glare control eyewear for color blindness and low vision assistance | — | 2024-03-26 |
| 11762136 | Multi-band color vision filters and method by LP-optimization | Donald M. McPherson | 2023-09-19 |
| 11454827 | Optical filters affecting color vision in a desired manner and design method thereof by non-linear optimization | Donald M. McPherson | 2022-09-27 |
| 10912457 | Lighting system for simulating conditions of color deficient vision and demonstrating effectiveness of color-blindness compensating eyewear | — | 2021-02-09 |
| 10852461 | Multi-band color vision filters and method by LP-optimization | Donald M. McPherson | 2020-12-01 |
| 10606100 | Optical filters affecting color vision in a desired manner and design method thereof by non-linear optimization | Donald M. McPherson | 2020-03-31 |
| 10606101 | Optical filters affecting color vision in a desired manner and design method thereof by non-linear optimization | Donald M. McPherson | 2020-03-31 |
| 10338286 | Multi-band color vision filters and method by LP-optimization | Donald M. McPherson | 2019-07-02 |
| 9699576 | Hearing aid fitting procedure and processing based on subjective space representation | David Wessel, Eric Dean Battenberg, Kelly Fitz, Brent Edwards | 2017-07-04 |
| 8948427 | Hearing aid fitting procedure and processing based on subjective space representation | David Wessel, Eric Dean Battenberg, Kelly Fitz, Brent Edwards | 2015-02-03 |
| 8135138 | Hearing aid fitting procedure and processing based on subjective space representation | David Wessel, Eric Dean Battenberg, Kelly Fitz, Brent Edwards | 2012-03-13 |