Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887721 | Laser particle sorter | Tudor N. Buican | 1989-12-19 |
| 4849606 | Tamper-resistant container utilizing a flexible seal | Edward J. Martens, III | 1989-07-18 |
| 4841669 | Insect bait device | Scott W. Demarest, John H. Hainze, Stanley J. Flashinski | 1989-06-27 |
| 4839144 | Support device for combustible package containing a heat-dispersible material and a combustible material | — | 1989-06-13 |
| 4823506 | Insect bait device | Scott W. Demarest, John H. Hainze, Stanley J. Flashinski | 1989-04-25 |
| 4803271 | Process for preparing guanine derivatives | Julien P. H. Verheyden | 1989-02-07 |