Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5934835 | Prestressing concrete foundation pile having a single prestressing strand | Henry R. Whitty | 1999-08-10 |
| 5788419 | Pre-cast prestressed concrete foundation pile and associated installation components | Henry R. Whitty | 1998-08-04 |