Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9045281 | Waste bag replacement cartridge system for waste receptacles | — | 2015-06-02 |
| 7047446 | Load test system and method | Dawn C. Maurer, Joel L. Sherriff, Jeffrey A. Straathof | 2006-05-16 |
| 6167534 | Load test system and method | Jeffrey A. Straathof, Joel L. Sherriff, Dawn C. Maurer | 2000-12-26 |