Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638940 | Combined form for visual matter, written descriptions and mailing envelopes | Alvin A. Sobel | 1987-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638940 | Combined form for visual matter, written descriptions and mailing envelopes | Alvin A. Sobel | 1987-01-27 |