Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4273362 | Information-bearing article for conveying information which cannot be surreptitiously detected | Leon G. Carpenter | 1981-06-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4273362 | Information-bearing article for conveying information which cannot be surreptitiously detected | Leon G. Carpenter | 1981-06-16 |