Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11365824 | Adjustable fail-safe rotary spring operator with a retaining band | Frederick Rand Underwood, III | 2022-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11365824 | Adjustable fail-safe rotary spring operator with a retaining band | Frederick Rand Underwood, III | 2022-06-21 |