Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7674072 | Connection between a lateral and main pipe and method for making same | Ted R. Dimitroff | 2010-03-09 |
| 5452853 | Method and apparatus for spraying grout onto the interior surface of an enclosed elongated cavity | Danny C. Jury, Carroll O. Trimble | 1995-09-26 |