Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815907 | Eastener for structures made of composite materials | Herman L. Williamson, Gerhart Hufnagl | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815907 | Eastener for structures made of composite materials | Herman L. Williamson, Gerhart Hufnagl | 1989-03-28 |