Forward Citations = 184

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5 inventors (with patents filed for the assignee):

Mary J Reiland (11 out of 11 patents)

Kenneth H Reiland (9 out of 9 patents)

David J Lehse (4 out of 11 patents)

4. Ronald J Herold (2 out of 2 patents)

5. John M Darst (1 out of 6 patents)

11 patents: Sort by Forward Citations

1. 6464238 - Passenger carrier that nests with a cart basket (2002-10-15),

2. 6364326 - Child carrier accessory attachable to a shopping or luggage cart (2002-04-02),

3. 6237924 - Shopping cart with internal seat (2001-05-29),

4. 6022031 - Child carrier accessory attachable to a shopping or luggage cart (2000-02-08),

5. 5882021 - Child carrier accessory attachable to a shopping or luggage cart device (1999-03-16),

6. D399659 - Infant carrier seat (1998-10-20),

7. 5823548 - Child carrier accessory attachable to a shopping or luggage cart (1998-10-20),

8. 5640816 - Freestanding modular changing room system (1997-06-24),

9. D357105 - Child carrier attachable to a shopping or luggage cart (1995-04-04),

10. 5255817 - System and method for low cost dispensing of soft packaged articles (1993-10-26),

11. 5016778 - System for low cost dispensing of soft packaged articles (1991-05-21),

Company Overview

Four D Incorporated is a technology-driven company based in Burnsville, Minnesota, specializing in advanced manufacturing solutions. The organization focuses on developing innovative products and systems that enhance efficiency and precision in various industries. With a strong emphasis on research and development, Four D Incorporated is dedicated to pushing the boundaries of technology, particularly in the realms of automation and engineering. Their commitment to quality and innovation positions them as a key player in the manufacturing sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#12 in Burnsville, MN

#786 in Minnesota

#27,514 in US

#51,761 in the World

Burnsville, MN, United States of America

Four D Incorporated

Forward Citations = 184

5 inventors:

Mary J Reiland (11 out of 11 patents)

Kenneth H Reiland (9 out of 9 patents)

David J Lehse (4 out of 11 patents)

4. Ronald J Herold (2 out of 2 patents)

5. John M Darst (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Four D Incorporated. Retrieved from https://idiyas.com/company/four-d

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]