Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12043976 | Masonry block | Edward J. Anderson, Geoffrey S. Parrington | 2024-07-23 |
| 11053656 | Method of making molded concrete blocks having simulated brick or stone outer surfaces | Edward J. Anderson, Geoffrey S. Parrington | 2021-07-06 |
| 10895055 | Molded concrete blocks having simulated brick or stone outer surfaces | Edward J. Anderson, Geoffrey S. Parrington | 2021-01-19 |
| 9758943 | Molded concrete blocks having simulated brick or stone outer surfaces and method of making same | Edward J. Anderson, Geoffrey S. Parrington | 2017-09-12 |