Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564520 | Sheet-like masonry block drainage system | Donald A. Starke, John A. Striednig, Keith R. Bartlett | 2003-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564520 | Sheet-like masonry block drainage system | Donald A. Starke, John A. Striednig, Keith R. Bartlett | 2003-05-20 |