Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581663 | Weld wheel assembly for disposition on a membrane welding machine | James Rubenacker, Brian Whelan, Claus Pfotenhauer | 2003-06-24 |
| 6533014 | Nozzle for heat welding overlapping roof membranes to each other along separated first and second paths | James Rubenacker, Brian Whelan, Claus Pfotenhauer | 2003-03-18 |