% Expired Patents = 40.0

Forward Citations = 36

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2 inventors (with patents filed for the assignee):

Harry R Layne (5 out of 7 patents)

Harbert S Gregory (1 out of 3 patents)

5 patents: Sort by Forward Citations

1. 6578321 - Embeddable mounting device (2003-06-17),

2. 6574932 - Embeddable air duct block and method (2003-06-10),

3. 6388192 - Embeddable mounting device (2002-05-14),

4. 6271468 - Embeddable mounting device with faceplate (2001-08-07),

5. 6265657 - Embeddable mounting device (2001-07-24),

Steel Block, Inc. is a leading manufacturer of high-quality steel blocks for various industrial applications. With years of experience in the industry, we provide steel blocks that are durable, reliable, and built to last. Our products are used in construction, manufacturing, and other industries that require sturdy steel components. We are committed to delivering top-notch products and excellent customer service to meet the needs of our clients.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

5 Patents

#4 in Covington, LA

#189 in Louisiana

#51,545 in US

Covington, LA, United States of America

Steel Block, Inc.

Forward Citations = 36

2 inventors:

Harry R Layne (5 out of 7 patents)

Harbert S Gregory (1 out of 3 patents)

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