Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651650 | Attachment assembly with anchor bolt and expansion wedge | Armin Herb | 1997-07-29 |
| 5628579 | Expansion dowel with sleeve and expansion member | — | 1997-05-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651650 | Attachment assembly with anchor bolt and expansion wedge | Armin Herb | 1997-07-29 |
| 5628579 | Expansion dowel with sleeve and expansion member | — | 1997-05-13 |