Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462868 | Display device for both hardcopy and digital images | David Irwin Lappen, William Ascher Lappen | 2002-10-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462868 | Display device for both hardcopy and digital images | David Irwin Lappen, William Ascher Lappen | 2002-10-08 |