Forward Citations = 8

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2 inventors (with patents filed for the assignee):

Janice Z Olsen (2 out of 8 patents)

Emily F Knapton (2 out of 8 patents)

2 patents: Sort by Forward Citations

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),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#1 in Cabin John, MD

#1,423 in Maryland

#94,905 in US

Cabin John, MD, United States of America

Handwriting Without Tears, Inc.

Forward Citations = 8

2 inventors:

Janice Z Olsen (2 out of 8 patents)

Emily F Knapton (2 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Handwriting Without Tears, Inc.. Retrieved from https://idiyas.com/company/handwriting-without-tears

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]