Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419109 | Tighthead drum | Robert A. Julien | 2002-07-16 |
| 6026980 | One-piece blow-molded closed plastic drum with handling ring and method of molding same | John J. Mikula, Robert A. Julien | 2000-02-22 |
| 6024245 | One-piece blow-molded closed plastic drum with handling ring and method of molding same | John J. Mikula, Robert A. Julien | 2000-02-15 |
| 5543107 | Blow molding a closed plastic drum including two speed compression molding of an integral handling ring | John J. Mikula, Robert A. Julien | 1996-08-06 |
| 5449087 | Molded plastic drum | John J. Mikula | 1995-09-12 |
| D359830 | Drum | John J. Mikula | 1995-06-27 |
| D359150 | Drum | Patrick Irwin, Floy C. Jones, William C. Fields | 1995-06-06 |