% Expired Patents = 85.7

Trademarks = 2

Forward Citations = 75

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7 inventors (with patents filed for the assignee):

M Weldon Rogers (7 out of 7 patents)

Robert A Eberle (7 out of 11 patents)

Joseph M Mooney (6 out of 6 patents)

4. David L Schwartz (6 out of 19 patents)

5. Craig Thomas (1 out of 1 patent)

6. David L Gerke (1 out of 1 patent)

7. Bruce E Bogart (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6928710 - Methods for retrofitting an adjustable chair (2005-08-16),

2. 6644745 - Methods and apparatus for mechanically controlling adjustments of a chair (2003-11-11),

3. 6641216 - Methods and apparatus for mechanically controlling adjustment of a chair (2003-11-04),

4. 6637820 - Methods and apparatus for electrically adjusting a height of a chair (2003-10-28),

5. 6629731 - Methods and apparatus for electrically controlling adjustments of a chair (2003-10-07),

6. 6590364 - Power kit assembly for a height adjustable chair (2003-07-08),

7. 5556163 - Automatically adjustable office and task chairs (1996-09-17),

Company Overview

EAC Corporation is a leading provider of innovative solutions in the fields of engineering, architecture, and construction. With a proven track record of delivering high-quality projects on time and within budget, EAC Corporation has earned a reputation for excellence in the industry. Our team of skilled professionals is dedicated to meeting the unique needs of each client and exceeding their expectations. From concept to completion, EAC Corporation is committed to delivering superior results.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#246 in St. Louis, MO

#578 in Missouri

#39,929 in US

St. Louis, MO, United States of America

Eac Corporation

Forward Citations = 75

7 inventors:

M Weldon Rogers (7 out of 7 patents)

Robert A Eberle (7 out of 11 patents)

Joseph M Mooney (6 out of 6 patents)

4. David L Schwartz (6 out of 19 patents)

5. Craig Thomas (1 out of 1 patent)

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

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]