Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9771728 | Device for forming a void in a concrete foundation | Bruce Duane Stiles, Stephen Ray Stiles | 2017-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9771728 | Device for forming a void in a concrete foundation | Bruce Duane Stiles, Stephen Ray Stiles | 2017-09-26 |