Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10477324 | Test apparatus for binaurally-coupled acoustic devices | John W. Cole, William A. Cole, Jacobus A. Jonkman | 2019-11-12 |
| 10171920 | Test apparatus for binaurally-coupled acoustic devices | John W. Cole, William A. Cole, Jacobus A. Jonkman | 2019-01-01 |
| 9961455 | Test apparatus for binaurally-coupled acoustic devices | John W. Cole, William A. Cole, Jacobus A. Jonkman | 2018-05-01 |
| 9860652 | Test apparatus for binaurally-coupled acoustic devices | John W. Cole, William A. Cole, Jacobus A. Jonkman | 2018-01-02 |