Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669199 | Member for insertion into a borehole in a receiving material | Wolfgang Ludwig | 1997-09-23 |
| 5607005 | Method of fastening an attachment member in a wooden component | — | 1997-03-04 |