Trademarks = 1

Forward Citations = 378

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5 inventors (with patents filed for the assignee):

Richard P Christen (4 out of 12 patents)

Glenn N Taylor (3 out of 6 patents)

Alan N Taylor (2 out of 3 patents)

4. Kenneth E Chettleburgh (1 out of 2 patents)

5. Robert L Striebel, Ii (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 5683284 - Gyroscopic top toy (1997-11-04),

2. 5316013 - Oriented biopsy needle assembly (1994-05-31),

3. 5249582 - Oriented biopsy needle assembly (1993-10-05),

4. 5208987 - Marking device with vibrating yieldable writing tip (1993-05-11),

5. 5199920 - Amusement device with vibrated handle (1993-04-06),

6. D331778 - Motorized pen (1992-12-15),

7. 4950265 - Arming device for a medical instrument (1990-08-21),

8. 4907599 - Soft tissue core biopsy instrument (1990-03-13),

9. 4881551 - Soft tissue core biopsy instrument (1989-11-21),

Company Overview

Hart Enterprises, Inc. is a leading provider of innovative solutions in the fields of technology and engineering. With a strong focus on research and development, we strive to deliver cutting-edge products and services that meet the evolving needs of our clients. Our team of experts is dedicated to fostering a culture of excellence and innovation, driving growth and success for our company and partners.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#2 in Wyoming, MI

#1,117 in Michigan

#32,605 in US

Wyoming, MI, United States of America

Hart Enterprises, Inc.

Forward Citations = 378

5 inventors:

Richard P Christen (4 out of 12 patents)

Glenn N Taylor (3 out of 6 patents)

Alan N Taylor (2 out of 3 patents)

4. Kenneth E Chettleburgh (1 out of 2 patents)

5. Robert L Striebel, Ii (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hart Enterprises, Inc.. Retrieved from https://idiyas.com/company/hart-enterprises

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]