Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D426044 | Drum | Robert A. Huebner | 2000-05-30 |
| D395118 | Drum combined with a cover | Robert A. Huebner, Stephen E. Kipp, Gary J. Toska | 1998-06-09 |
| 5573118 | Nestable open head drum | Robert A. Huebner, Stephen E. Kipp, Gary J. Toska | 1996-11-12 |
| 5402909 | Drum for storing and dispensing liquids | Robert A. Huebner | 1995-04-04 |
| 4927040 | Plastic drum and method of making | — | 1990-05-22 |