Trademarks = 1

Forward Citations = 291

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2 inventors (with patents filed for the assignee):

Michael E Woolford (3 out of 20 patents)

Dick J Sievert (3 out of 17 patents)

4 patents: Sort by Forward Citations

1. 5589124 - Method of forming composite masonry blocks (1996-12-31),

2. 5249950 - Heated stripper shoe assembly (1993-10-05),

3. 5062610 - Composite masonry block mold for use in block molding machines (1991-11-05),

4. 5017049 - Composite masonry block (1991-05-21),

Block Systems Inc. is a leading provider of blockchain-based solutions for businesses across various industries. With a team of experts in blockchain technology, cybersecurity, and software development, we offer secure and efficient solutions to help businesses streamline their operations and enhance their security measures. Our innovative solutions include blockchain consulting, smart contract development, and tokenization services. Visit our website to learn more about how we can help transform your business with blockchain technology.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#180 in Saint Paul, MN

#1,649 in Minnesota

#60,597 in US

Saint Paul, MN, United States of America

Block Systems Inc.

Forward Citations = 291

2 inventors:

Michael E Woolford (3 out of 20 patents)

Dick J Sievert (3 out of 17 patents)

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