Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365629 | Concrete masonry unit composition for automated block machines | — | 2025-07-22 |
| 6665994 | Self-aligning building blocks | — | 2003-12-23 |
| 6223493 | Self-aligning building blocks | — | 2001-05-01 |
| 4421077 | Variable timing rotary valve for an internal combustion engine | — | 1983-12-20 |
| 4370955 | Rotary valve for an internal combustion engine | — | 1983-02-01 |