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Trademarks = 3

Forward Citations = 43

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5 inventors (with patents filed for the assignee):

Lee H Leiner (8 out of 8 patents)

James E Burd (6 out of 6 patents)

Robert M Gaydos (4 out of 5 patents)

4. Edward W Kifer (1 out of 6 patents)

5. Thomas D Traubert (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 6342098 - Deacidification of cellulose based materials using hydrofluoroether carriers (2002-01-29),

2. 6325982 - Method and apparatus for the deacidification of library materials (2001-12-04),

3. 6080448 - Deacidification of cellulose based materials using hydrofluoroether (2000-06-27),

4. 6060108 - Method for revealing hidden watermarks (2000-05-09),

5. 5956860 - Method and apparatus for the deacidification of library materials (1999-09-28),

6. 5770148 - Method and apparatus for the deacidification of library materials (1998-06-23),

7. 5422147 - Method and apparatus for the deacidification of library materials (1995-06-06),

8. 5409736 - Deacidification of cellulose based materials using perfluorinated (1995-04-25),

Preservation Technologies LP is a leading provider of archival and conservation services for libraries, museums, and cultural institutions. With over 30 years of experience, we specialize in preserving and protecting valuable collections through digitization, conservation treatment, and storage solutions.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

8 Patents

#11 in Cranberry Township, PA

#1,285 in Pennsylvania

#34,864 in US

Cranberry Township, PA, United States of America

Preservation Technologies LP