Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682540 | System for representing electronic files using a paper based medium | Ramana B. Rao, Walter A. Johnson, M. Margaret Withgott | 1997-10-28 |
| 5642473 | Paper saving reprographic device | — | 1997-06-24 |