Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342098 | Deacidification of cellulose based materials using hydrofluoroether carriers | Lee H. Leiner, Robert M. Gaydos | 2002-01-29 |
| 6325982 | Method and apparatus for the deacidification of library materials | Lee H. Leiner | 2001-12-04 |
| 6080448 | Deacidification of cellulose based materials using hydrofluoroether carriers | Lee H. Leiner, Robert M. Gaydos | 2000-06-27 |
| 6060108 | Method for revealing hidden watermarks | Lee H. Leiner, Robert M. Gaydos | 2000-05-09 |
| 5956860 | Method and apparatus for the deacidification of library materials | Lee H. Leiner | 1999-09-28 |
| 5770148 | Method and apparatus for the deacidification of library materials | Lee H. Leiner | 1998-06-23 |