Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138808 | Masonry block wall system and method | Fred G. Bengtson | 1992-08-18 |
| 5007218 | Masonry block wall system and method | Fred G. Bengtson | 1991-04-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138808 | Masonry block wall system and method | Fred G. Bengtson | 1992-08-18 |
| 5007218 | Masonry block wall system and method | Fred G. Bengtson | 1991-04-16 |