Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11325811 | Mine shaft conveyance safety brake | Donald Todd Kennedy, Henry T. Laarakker | 2022-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11325811 | Mine shaft conveyance safety brake | Donald Todd Kennedy, Henry T. Laarakker | 2022-05-10 |