Inventor · disambiguated record
Michael J. Schumacher
Also filed as: SCHUMACHER MICHAEL · SCHUMACHER MICHAEL J · SCHUMACHER MICHAEL JOHN
13 granted patents·1 pending application·95 citations·filing 2006–2018
90Inventor score
Top patents by PatentIndex Score
14 records- 0187US8353323B2Sharpener with autostop featureELMER S PRODUCTS INC·Filed 2010·Granted Jan 15, 2013·19 cites·20 claims
- 0285US7415915B2Cutting system having an interchangeable rotary blade cartridgeELMER S PRODUCTS INC·Filed 2006·Granted Aug 26, 2008·18 cites·20 claims
- 0382US7172360B2Art instrumentELMER S PRODUCTS INC·Filed 2006·Granted Feb 6, 2007·16 cites·20 claims
- 0481US7654179B2Crayon sharpenerELMER S PRODUCTS INC·Filed 2007·Granted Feb 2, 2010·13 cites·20 claims
- 0578US9956812B2Dual cutter-carrier assembly for use with pencil sharpenersELMERS PRODUCTS INC·Filed 2016·Granted May 1, 2018·2 cites·20 claims
- 0677US10124622B2Pencil sharpener with pencil-centering mechanismELMERS PRODUCTS INC·Filed 2016·Granted Nov 13, 2018·2 cites·27 claims
- 0777US8225827B2Sharpener with noise reducing featuresDUNLAP BEN·Filed 2010·Granted Jul 24, 2012·8 cites·20 claims
- 0873US7776173B2Adhesive dispensing systemELMER S PRODUCTS INC·Filed 2006·Granted Aug 17, 2010·8 cites·9 claims
- 0962US10843504B2Pencil sharpener with pencil-centering mechanismSANFORD LP·Filed 2018·Granted Nov 24, 2020·0 cites·13 claims
- 1061US10843503B2Cutter-carrier assembly for use with pencil sharpenersSANFORD LP·Filed 2018·Granted Nov 24, 2020·0 cites·19 claims
- 1149US10207535B2Self-cleaning gear assembly for pencil sharpenersELMERS PRODUCTS INC·Filed 2014·Granted Feb 19, 2019·0 cites·17 claims
- 1248USD638473SPencil sharpenerELMER S PRODUCTS INC·Filed 2010·Granted May 24, 2011·6 cites·1 claims
- 1346US2012011977A1Paper trimmer with pivoting cutting deviceSINGER LISA·Filed 2011·Application pending·0 cites
- 1430USD639858SPencil sharpenerELMER S PRODUCTS INC·Filed 2010·Granted Jun 14, 2011·3 cites·1 claims
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