Lee H. Leiner

Person

New Kensington, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Deacidification of cellulose based materials using hydrofluoroether...
- Patent number 6,342,098
- Issue date Jan 29, 2002
- Preservation Technologies LP
- Lee H. Leiner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for the deacidification of library materials
- Patent number 6,325,982
- Issue date Dec 4, 2001
- Preservation Technologies, L.P.
- Lee H. Leiner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Deacidification of cellulose based materials using hydrofluoroether...
- Patent number 6,080,448
- Issue date Jun 27, 2000
- Preservation Technologies LP
- Lee H. Leiner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for revealing hidden watermarks
- Patent number 6,060,108
- Issue date May 9, 2000
- Preservation Technologies, L.P.
- James E. Burd
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and apparatus for the deacidification of library materials
- Patent number 5,956,860
- Issue date Sep 28, 1999
- Preservation Technologies, L.P.
- Lee H. Leiner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for the deacidification of library materials
- Patent number 5,770,148
- Issue date Jun 23, 1998
- Preservation Technologies, L.P.
- Lee H. Leiner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for the deacidification of library materials
- Patent number 5,422,147
- Issue date Jun 6, 1995
- Preservation Technologies, Inc.
- Lee H. Leiner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Deacidification of cellulose based materials using perfluorinated c...
- Patent number 5,409,736
- Issue date Apr 25, 1995
- Preservation Technologies, Inc.
- Lee H. Leiner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Lee H. Leiner

Person

Patents Grantslast 30 patents

Deacidification of cellulose based materials using hydrofluoroether...

Method and apparatus for the deacidification of library materials

Deacidification of cellulose based materials using hydrofluoroether...

Method for revealing hidden watermarks

Method and apparatus for the deacidification of library materials

Method and apparatus for the deacidification of library materials

Method and apparatus for the deacidification of library materials

Deacidification of cellulose based materials using perfluorinated c...