Richard Woldenberg

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Highland Park, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for teaching and learning reading
- Patent number 7,018,210
- Issue date Mar 28, 2006
- ETA/Cuisenaire
- Dennis K. Goldman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Book for packaging activity pieces in an activity kit
- Patent number 6,086,105
- Issue date Jul 11, 2000
- Learning Resources, Inc.
- Richard Woldenberg
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Digital and analog teaching clock
- Patent number 5,851,118
- Issue date Dec 22, 1998
- Learning Resources, Inc.
- Richard M. Woldenberg
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Digital/analog teaching clock
- Patent number D377949
- Issue date Feb 11, 1997
- Richard Woldenberg
- D19 - Office supplies
Information Patent Grant
Assembly including interlocking components for teaching mathematica...
- Patent number 5,597,308
- Issue date Jan 28, 1997
- Richard Woldenberg
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Interactive learning system
- Publication number 20080085102
- Publication date Apr 10, 2008
- Michael Alm
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for teaching and learning reading
- Publication number 20060093996
- Publication date May 4, 2006
- EAT/Cuisenaire, A Division of A. Daigger & Company
- Dennis K. Goldman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Method and apparatus for teaching and learning reading
- Publication number 20040197749
- Publication date Oct 7, 2004
- Dennis K. Goldman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS