Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687559 | Apparatus and method for a vertically integrated construction business | David J. Szpanka, Timothy S. Roth | 2004-02-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687559 | Apparatus and method for a vertically integrated construction business | David J. Szpanka, Timothy S. Roth | 2004-02-03 |