Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11903795 | Method and apparatus for treating a malformed Eustachian tube | — | 2024-02-20 |
| 11213431 | Nitinol tympanostomy tube | — | 2022-01-04 |
| 11057722 | Hearing aid for people having asymmetric hearing loss | — | 2021-07-06 |
| 10687982 | One-step tympanostomy tube and method for inserting same | — | 2020-06-23 |
| 10484802 | Hearing aid for people having asymmetric hearing loss | — | 2019-11-19 |
| 9987168 | One step tympanostomy tube and method for inserting same | — | 2018-06-05 |
| 9907699 | One step tympanostomy tube and method of inserting same | — | 2018-03-06 |
| 9195073 | Contact lens materials, designs, substances, and methods | John H. Fritsch, Josephine Fritsch | 2015-11-24 |
| 8909348 | Cochlear implant stabilization and positioning device | John H. Fritsch, Josephine Fritsch | 2014-12-09 |
| 8805547 | Extra-cochlear implanted hearing aid device | John H. Fritsch | 2014-08-12 |
| 7878650 | Contact lens materials, designs, substances, and methods | John H. Fritsch, Josephine Fritsch | 2011-02-01 |
| 7650194 | Intracochlear nanotechnology and perfusion hearing aid device | John H. Fritsch, Josephine Fritsch | 2010-01-19 |
| 6048063 | Underwater contact lens | Thomas Fritsch | 2000-04-11 |
| 5831713 | Underwater contact lens | Thomas Fritsch | 1998-11-03 |