P

Inventor

SCHUMACHER MICHAEL J

US7 patents
⚠️ This page may combine multiple inventors who share the name “SCHUMACHER MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ELMERS PRODUCTS INC

3 patents
US9956812B2May 1, 2018

Dual cutter-carrier assembly for use with pencil sharpeners

ELMERS PRODUCTS INC2 citations71
US10124622B2Nov 13, 2018

Pencil sharpener with pencil-centering mechanism

ELMERS PRODUCTS INC2 citations69
US10207535B2Feb 19, 2019

Self-cleaning gear assembly for pencil sharpeners

ELMERS PRODUCTS INC0 citations37

ELMER S PRODUCTS INC

2 patents
US7415915B2Aug 26, 2008

Cutting system having an interchangeable rotary blade cartridge

ELMER S PRODUCTS INC18 citations82
US7172360B2Feb 6, 2007

Art instrument

ELMER S PRODUCTS INC16 citations75

SANFORD LP

2 patents
US10843503B2Nov 24, 2020

Cutter-carrier assembly for use with pencil sharpeners

SANFORD LP0 citations50
US10843504B2Nov 24, 2020

Pencil sharpener with pencil-centering mechanism

SANFORD LP0 citations48