logo

For the Inventor, By the Inventor

Cabin John, MD, United States of America

Handwriting Without Tears, Inc.


USPTO Granted Patents = 2

Forward Citations = 8

Loading Chart...
Loading Chart...

2 inventors (with patents filed for the assignee):

goldMedal Janice Z Olsen (2 out of 8 patents)

silverMedal Emily F Knapton (2 out of 8 patents)


2 patents:

1. 7458813 - Pre-writing teaching aid and method to assist beginning writers in creating letters (2008-12-02),
2. 6932613 - Pre-writing teaching aid and method to assist beginning writers in creating letters (2005-08-23),
logo

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

2 Patents

#1 in Cabin John, MD

#1,383 in Maryland

#92,748 in US

...
Cabin John, MD, United States of America

Handwriting Without Tears, Inc.

Forward Citations = 8

2 inventors:

goldMedal Janice Z Olsen (2 out of 8 patents)

silverMedal Emily F Knapton (2 out of 8 patents)

Please report any incorrect information to support@idiyas.com
Loading…