Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685678 | Fail-safe anchor bolt assembly for cracked masonry | Louis N. Giannuzzi | 1997-11-11 |
| 5628161 | Centering sleeve and overflow ring assembly | Louis N. Giannuzzi | 1997-05-13 |
| 5593261 | Fail-safe anchor bolt assembly for cracked masonry | Louis N. Giannuzzi | 1997-01-14 |