Forward Citations = 268

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9 inventors (with patents filed for the assignee):

Phillip L Henderson (2 out of 5 patents)

Leonard R Hulls (2 out of 2 patents)

David J Porter (1 out of 3 patents)

4. Mark J Phillips (1 out of 1 patent)

5. Patrick T Philbin (1 out of 1 patent)

6. Barry A Blesser (1 out of 30 patents)

7. Michael Joseph Leonard (1 out of 2 patents)

8. Louis Michael Notarianni (1 out of 1 patent)

9. Albert E Paschkis (1 out of 4 patents)

7 patents: Sort by Forward Citations

1. 5897648 - Apparatus and method for editing electronic documents (1999-04-27),

2. 5760347 - Digitizer pen apparatus (1998-06-02),

3. 5737740 - Apparatus and method for processing electronic documents (1998-04-07),

4. 4963703 - Coordinate determining device using spatial filters (1990-10-16),

5. 4853715 - Plotter head control device (1989-08-01),

6. 4570033 - Polyphase digitizer (1986-02-11),

7. 4552991 - Absolute position coordinate determining device employing a single phase (1985-11-12),

Company Overview

Numonics Corporation is a leading provider of interactive whiteboards and digitizing solutions for education, business, and government sectors. With over 40 years of experience in the industry, Numonics offers innovative and reliable products that enhance collaboration, communication, and productivity in the workplace. Their cutting-edge technology and dedication to customer satisfaction set them apart as a trusted partner for organizations looking to leverage digital tools for success.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#7 in Montgomeryville, PA

#1,438 in Pennsylvania

#39,879 in US

Montgomeryville, PA, United States of America

Numonics Corporation

Forward Citations = 268

9 inventors:

Phillip L Henderson (2 out of 5 patents)

Leonard R Hulls (2 out of 2 patents)

David J Porter (1 out of 3 patents)

4. Mark J Phillips (1 out of 1 patent)

5. Patrick T Philbin (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Numonics Corporation. Retrieved from https://idiyas.com/company/numonics

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]