Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631823 | Method of making a connection, particulary a screw connection | Yinzenz Haerle, Wolfgang Backe, Egbert Schneider | 1997-05-20 |
AL
August Layer
Overall (1997): #174,219 of 185,788Top 95%
1
Patents 1997