Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35659 | Adhesive anchor | Richard J. Ernst, Peter Ham | 1997-11-11 |
| 5653563 | Anchor | Richard J. Ernst | 1997-08-05 |
| 5632839 | Method of making a screen for anchoring a fastener to a hollow block with an adhesive | Frederick A. Kish, Michael A. Rancich, Richard J. Ernst | 1997-05-27 |