Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376264 | Method of checking the authenticity of papers and physically identifiable paper for use in said method | Roelof Hildering, Adrianus Mackor | 1983-03-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376264 | Method of checking the authenticity of papers and physically identifiable paper for use in said method | Roelof Hildering, Adrianus Mackor | 1983-03-08 |