% Expired Patents = 80.0

Trademarks = 9

Forward Citations = 8

Loading Chart...

2 inventors (with patents filed for the assignee):

Karl Singer (5 out of 19 patents)

Chad Seedorf (2 out of 2 patents)

5 patents: Sort by Forward Citations

1. 8398792 - Simulated brush stroke system (2013-03-19),

2. 8272423 - Wall mounted laminator (2012-09-25),

3. 8057632 - Simulated brush stroke system (2011-11-15),

4. 7226692 - Battery lock (2007-06-05),

5. 6946217 - Battery lock (2005-09-20),

D&K Group, Inc. is a premier construction and development company specializing in residential and commercial projects. With over 20 years of experience, we are dedicated to delivering high-quality, innovative, and sustainable solutions to our clients. Our team of skilled professionals are committed to exceeding customer expectations and creating lasting partnerships. Visit our website to learn more about our services and past projects.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#54 in Elk Grove Village, IL

#2,422 in Illinois

#51,570 in US

Elk Grove Village, IL, United States of America

D&k Group, Inc.

Forward Citations = 8

2 inventors:

Karl Singer (5 out of 19 patents)

Chad Seedorf (2 out of 2 patents)

Please report any incorrect information to [email protected]