Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D395118 | Drum combined with a cover | Harley L. Cramer, Robert A. Huebner, Stephen E. Kipp | 1998-06-09 |
| 5573118 | Nestable open head drum | Harley L. Cramer, Robert A. Huebner, Stephen E. Kipp | 1996-11-12 |