Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4234151 | Self-locking adjustable support devices | Alfryn I. John | 1980-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4234151 | Self-locking adjustable support devices | Alfryn I. John | 1980-11-18 |