Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870663 | Method for selecting the mode of operation of an object counting means | Risto Kontturi | 1989-09-26 |
| 4800386 | Method of and apparatus for counting objects | Alpo Varri | 1989-01-24 |