% Expired Patents = 28.6

Forward Citations = 80

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2 inventors (with patents filed for the assignee):

Leonard T Chapman (7 out of 119 patents)

Charles L Huenergardt (2 out of 2 patents)

7 patents: Sort by Forward Citations

1. D668806 - Flashlight (2012-10-09),

2. D668805 - Flashlight (2012-10-09),

3. 7543953 - LED flashlight with switch actuated by turning a lens tube (2009-06-09),

4. 7396141 - LED push rod flashlight (2008-07-08),

5. D554788 - Flashlight (2007-11-06),

6. 7152995 - Flashlight (2006-12-26),

7. 7083299 - Flashlight having convex-concave lens (2006-08-01),

Company Overview

Chapman/Leonard Enterprises, Inc. is an industry leader in providing camera support equipment to the film and television industries. With over 50 years of experience, they offer a wide range of innovative products such as camera dollies, cranes, and remote camera systems. Their equipment has been used on countless award-winning productions and is known for its reliability and precision.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#11 in North Hollywood, CA

#9,501 in California

#39,907 in US

North Hollywood, CA, United States of America

Chapman/leonard Enterprises, Inc.

Forward Citations = 80

2 inventors:

Leonard T Chapman (7 out of 119 patents)

Charles L Huenergardt (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chapman/leonard Enterprises, Inc.. Retrieved from https://idiyas.com/company/chapman-leonard-enterprises

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]