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Leonard Pearlstein
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Gladwyne, PA, US
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Patents Grants
last 30 patents
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Patent Grant
Method of making high performance superabsorbent material
Patent number
5,849,816
Issue date
Dec 15, 1998
Pearlstein; Leonard
Stuart P. Suskind
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
High performance absorbent particles and methods of preparation
Patent number
5,549,590
Issue date
Aug 27, 1996
Pearlstein; Leonard
Stuart Suskind
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
High performance absorbent particles and methods of preparation
Patent number
5,539,019
Issue date
Jul 23, 1996
Pearlstein; Leonard
Stuart Suskind
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Disposable container for moist paper towels and a method of making...
Patent number
5,409,747
Issue date
Apr 25, 1995
Pearlstein; Leonard
Leonard Pearlstein
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Disposable container for moist paper towels the same
Patent number
5,286,538
Issue date
Feb 15, 1994
Pearlstein; Leonard
Leonard Pearlstein
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL