Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8474325 | Apparatus and method for destructive load testing | Darren C. Delzell, David Stoller | 2013-07-02 |
| 6817589 | Apparatus and method for removing joint rings from cured concrete products | Jon A. Schmidgall, David Stoller | 2004-11-16 |
| 5792484 | Automated feed system for pipe making machine | — | 1998-08-11 |
| 5234331 | Automated pipe making machine | — | 1993-08-10 |
| 4412817 | Canopy kiln system | — | 1983-11-01 |