Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9121198 | Door opener for closed-circuit current operation and open-circuit current operation | — | 2015-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9121198 | Door opener for closed-circuit current operation and open-circuit current operation | — | 2015-09-01 |