Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332745 | Compacting system and refuse vehicle | Charles A. Duell, Thomas Pfeifer | 2001-12-25 |
| 6123497 | Automated refuse vehicle | Charles A. Duell, Thomas Pfeifer | 2000-09-26 |
| 5954470 | Compacting system and refuse vehicle | Charles A. Duell, Thomas Pfeifer | 1999-09-21 |
| 5890865 | Automated low profile refuse vehicle | Fred T. Smith, Fred P. Smith, William R. Johnson | 1999-04-06 |
| 5484246 | Collecting, hauling and delivering apparatus for recyclable materials | Eugene R. Grubaugh, Thomas Pfeifer, Carroll R. Johnson | 1996-01-16 |
| 5316430 | Material collecting and hauling apparatus | Eugene R. Grubaugh, Thomas Pfeifer, Carroll R. Johnson | 1994-05-31 |
| 5288196 | Collecting, hauling and delivering apparatus and method | Eugene R. Grubaugh, Thomas Pfeifer, Carroll R. Johnson | 1994-02-22 |
| 4909564 | Front loading refuse truck body | Thomas Pfeifer | 1990-03-20 |