Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5301485 | Nelson stud screed post assembly | Lee A. Shaw, Ronald D. Shaw, Thomas W. Ennis, Scott Shaw | 1994-04-12 |
| 5005331 | Concrete dowel placement sleeves | Ronald D. Shaw, Lee A. Shaw | 1991-04-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5301485 | Nelson stud screed post assembly | Lee A. Shaw, Ronald D. Shaw, Thomas W. Ennis, Scott Shaw | 1994-04-12 |
| 5005331 | Concrete dowel placement sleeves | Ronald D. Shaw, Lee A. Shaw | 1991-04-09 |