Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856602 | Apparatus and method of weighing articles based upon harmonic motion | David W. Hubbard | 1989-08-15 |
| 4849736 | Magnetic marker having a rectangular configuration for electronic article surveillance | — | 1989-07-18 |