Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10889980 | Method for constructing a multi-stage block wall | Patrick E. Dean, Daniel J. Curry, J. Matthew Kempainen, Kong Cheng Moua, Michael Stoneburner | 2021-01-12 |
| 10718108 | Bridge for use in constructing a multi-stage block wall | Patrick E. Dean, Daniel J. Curry, J. Matthew Kempainen, Kong Cheng Moua, Michael Stoneburner | 2020-07-21 |
| 10202756 | Bridge systems for multi-stage walls | Patrick E. Dean, Daniel J. Curry, J. Matthew Kempainen, Kong Cheng Moua, Michael Stoneburner | 2019-02-12 |