Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848735 | Stepwell cover apparatus | Devon L. Herr, Lawrence A. Kirschbaum | 2005-02-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848735 | Stepwell cover apparatus | Devon L. Herr, Lawrence A. Kirschbaum | 2005-02-01 |