Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4473799 | Apparatus for detecting presence of metal strand in paper | — | 1984-09-25 |
| 4298807 | Process for inspecting the physical state of a printed document and an installation for putting the process into operation | — | 1981-11-03 |
| 4275299 | Method and apparatus for detecting a fluorescent area on a sheet of paper | — | 1981-06-23 |