Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808335 | Method of reconstructing existing bridges and highways with minimal disruption of traffic | Anna Stamm, Eugenia Stamm | 2004-10-26 |
| 6676330 | Method of erecting elevated roadways above existing roadways with minimal disruption of traffic | Anna Stamm, Eugenia Stamm | 2004-01-13 |