Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12349773 | Illuminated walking assistance apparatus | — | 2025-07-08 |
| 12127646 | Illuminated walking assistance apparatus | — | 2024-10-29 |
| 11712093 | Illuminated walking assistance apparatus | — | 2023-08-01 |
| 11109654 | Illuminated walking assistance apparatus | — | 2021-09-07 |
| 11109655 | Illuminated walking assistance apparatus | — | 2021-09-07 |
| 7453076 | Bi-polar treatment facility for treating target cells with both positive and negative ions | Larry Welch | 2008-11-18 |
| 6394116 | Illuminated walking assistance apparatus | Leslie Ridley-Tree | 2002-05-28 |
| 5522712 | Low-powered cooling fan for dissipating heat | — | 1996-06-04 |
| 4783144 | Thin optical membranes and method of making the same | Ronald S. Hershel | 1988-11-08 |
| 4624557 | Photomask carrier and container for photomask carrier | — | 1986-11-25 |
| 4536240 | Method of forming thin optical membranes | — | 1985-08-20 |
| 4453828 | Apparatus and methods for measuring the optical thickness and index of refraction of thin, optical membranes | Ronald S. Hershel | 1984-06-12 |
| 4378953 | Thin, optical membranes and methods and apparatus for making them | — | 1983-04-05 |