Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5197245 | Structural wall reinforcement apparatus and method | — | 1993-03-30 |
| 5133510 | Column wire winding apparatus | David T. Swanson | 1992-07-28 |
| 4918887 | Protective tendon tensioning anchor assemblies | Richard L. Watts, John R. Crigler | 1990-04-24 |
| 4725170 | Retained earth structure and method of making same | — | 1988-02-16 |
| 4616458 | Protective apparatus for tendons in tendon tensioning anchor assemblies | Rose M. Dexter, John D. McCarthy | 1986-10-14 |
| 4449857 | Retained earth system with threaded connection between a retaining wall and soil reinforcement panels | — | 1984-05-22 |