Inventor · disambiguated record
Barbara Plain
Also filed as: PLAIN BARBARA · PLAIN BARBARA E · PLAIN BARBARA ELLEN
7 granted patents·1 pending application·128 citations·filing 1995–2018
86Inventor score
Top patents by PatentIndex Score
8 records- 0181US6179682B1Teaching toy telephoneLEARNING RESOURCES INC·Filed 1998·Granted Jan 30, 2001·57 cites·20 claims
- 0277US7351062B2Educational devices, systems and methods using optical character recognitionLEARNING RESOURCES INC·Filed 2005·Granted Apr 1, 2008·6 cites·30 claims
- 0377US6532314B1Talking toy scannerLEARNING RESOURCES INC·Filed 2000·Granted Mar 11, 2003·33 cites·5 claims
- 0472US11648485B2Toy robotLEARNING RESOURCES INC·Filed 2018·Granted May 16, 2023·3 cites·20 claims
- 0561USD420405STeaching toy telephoneLEARNING RESOURCES INC·Filed 1998·Granted Feb 8, 2000·11 cites·1 claims
- 0655USD890861SToy robotLEARNING RESOURCES INC·Filed 2017·Granted Jul 21, 2020·8 cites·1 claims
- 0754US2008085102A1Interactive learning systemALM MICHAEL·Filed 2006·Application pending·0 cites
- 0851USD377949SDigital/analog teaching clockWOLDENBERG RICHARD·Filed 1995·Granted Feb 11, 1997·10 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →