Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5152413 | Bridge design for tamper evident closures | — | 1992-10-06 |
| 4252585 | Method for making a plastic container | Erwin M. Raabe, Jack M. Kamins, Benjamin F. Cake, Albert F. Gerlovich, George E. Trieschock +3 more | 1981-02-24 |
| 4224784 | Attachment for line trimmer | Lee A. Hansen | 1980-09-30 |
| 4187577 | Blower attachment for line trimmer | Lee A. Hansen | 1980-02-12 |