P

Inventor

OLSEN JANICE Z

US8 patents
⚠️ This page may combine multiple inventors who share the name “OLSEN JANICE Z”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NO TEARS LEARNING INC

3 patents
US7850379B2Dec 14, 2010

Two-nib crayon and method of manufacture

NO TEARS LEARNING INC6 citations68
US11749130B2Sep 5, 2023

System and method for teaching pre-keyboarding and keyboarding

NO TEARS LEARNING INC0 citations56
US10839710B2Nov 17, 2020

System and method for teaching pre-keyboarding and keyboarding

NO TEARS LEARNING INC0 citations45

HANDWRITING WITHOUT TEARS INC

2 patents
US6932613B2Aug 23, 2005

Pre-writing teaching aid and method to assist beginning writers in creating letters

HANDWRITING WITHOUT TEARS INC18 citations79
US7458813B2Dec 2, 2008

Pre-writing teaching aid and method to assist beginning writers in creating letters

HANDWRITING WITHOUT TEARS INC4 citations57

OLSEN JANICE Z

2 patents
US8133056B2Mar 13, 2012

Pre-writing teaching aid and method to assist beginning writers in creating letters

OLSEN JANICE Z2 citations57
US9171480B2Oct 27, 2015

Early learning tools and kits including manipulator devices for organized play

OLSEN JANICE Z2 citations49

HANDWRITING WITHOUT TEARS

1 patent
US10269262B2Apr 23, 2019

System and method for teaching pre-keyboarding and keyboarding

HANDWRITING WITHOUT TEARS0 citations41