Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735636 | Method for installing an expansion joint in a concrete dam | Peter Szita | 1998-04-07 |
| 5570934 | Traction boring device using multiple trepans for producing large cuts in concrete works and the like and method of producing cuts | Peter Szita | 1996-11-05 |
| 5449248 | Sealing device for expansion joints of concrete dams and method for installing same | Peter Szita | 1995-09-12 |
| 4588036 | Continuous, undisturbed sampling by rotational boring in non-plastic granular tills | Gerard Desrochers, Joseph Grumich | 1986-05-13 |