Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713901 | System for retaining and displaying business cards | Gerald B. Klein | 1987-12-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713901 | System for retaining and displaying business cards | Gerald B. Klein | 1987-12-22 |