% Expired Patents = 14.3

Trademarks = 19

Forward Citations = 109

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12 inventors (with patents filed for the assignee):

Laura J Nickerson (3 out of 26 patents)

Gary P McGonagle (2 out of 25 patents)

Dov Z Glucksman (2 out of 34 patents)

4. Dov Z Glucksman (1 out of 80 patents)

5. Karl Kaltenbach (1 out of 1 patent)

6. Susan Logcher (1 out of 1 patent)

7. Ivan Mario Da Barp (1 out of 1 patent)

8. Stephen Robert Phillips (1 out of 1 patent)

9. Cheryl Felix Flender (1 out of 1 patent)

10. Mark Dziersk (1 out of 1 patent)

11. Marc S Harrison (1 out of 11 patents)

12. Mark Harrison (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 7448398 - Sonic jewelry cleaner (2008-11-11),

2. D542143 - Container (2007-05-08),

3. D524998 - Jewelry cleaner (2006-07-11),

4. 6719850 - Sonic jewelry cleaner (2004-04-13),

5. D481177 - Jewelry cleaner (2003-10-22),

6. D303442 - Electrosonic cleaning bath enclosure (1989-09-12),

7. D281539 - Electrosonic cleaning bath enclosure (1985-11-26),

Company Overview

Connoisseurs Products Corporation is a leading provider of premium jewelry cleaning and care products. With over 40 years of experience, our products are trusted by jewelry professionals and enthusiasts around the world. From our jewelry cleaner solutions to our polishing cloths, we offer high-quality products that restore brilliance and shine to all types of jewelry. Visit our website to explore our full range of products and bring new life to your jewelry collection.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#81 in Woburn, MA

#2,306 in Massachusetts

#39,929 in US

Woburn, MA, United States of America

Connoisseurs Products Corporation

Forward Citations = 109

12 inventors:

Laura J Nickerson (3 out of 26 patents)

Gary P McGonagle (2 out of 25 patents)

Dov Z Glucksman (2 out of 34 patents)

4. Dov Z Glucksman (1 out of 80 patents)

5. Karl Kaltenbach (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Connoisseurs Products Corporation. Retrieved from https://idiyas.com/company/connoisseurs-products

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]