% Expired Patents = 35.7

Trademarks = 10

Forward Citations = 164

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4 inventors (with patents filed for the assignee):

Christopher E Combest (14 out of 23 patents)

John Koval (3 out of 3 patents)

Stephen Saint-Vincent (1 out of 1 patent)

4. Robert R Hoyes (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 7636447 - Acoustic bracket system (2009-12-22),

2. 7386137 - Sound transducer for solid surfaces (2008-06-10),

3. 7274793 - Excursion limiter (2007-09-25),

4. 6993145 - Speaker grille frame (2006-01-31),

5. 6963650 - Coaxial speaker with step-down ledge to eliminate sound wave distortions and time delay (2005-11-08),

6. 6707919 - Driver control circuit (2004-03-16),

7. 6609589 - Speaker enclosure and mounting method for isolating and insulating faceplate and heavy speakers from surrounding mounting surface (2003-08-26),

8. 6550570 - Speaker enclosure and mounting method for isolating and insulating faceplate and speakers from a surrounding mounting surface (2003-04-22),

9. 6484983 - Speaker mounting device (2002-11-26),

10. 6415886 - In-wall speaker mounting apparatus (2002-07-09),

11. 6360842 - In-wall speaker mounting apparatus (2002-03-26),

12. 6354397 - Attachment fixture for the front panel and grill of a speaker assembly (2002-03-12),

13. 5937072 - Audio crossover circuit (1999-08-10),

14. 5568560 - Audio crossover circuit (1996-10-22),

Company Overview

Multi Service Corporation, headquartered in Overland Park, Kansas, specializes in providing innovative payment solutions and transaction processing services. The company focuses on enhancing the efficiency of payment systems across various sectors, including transportation and retail. With a commitment to leveraging technology, Multi Service develops solutions that streamline operations and improve customer experiences. Its expertise spans multiple domains, ensuring adaptability in a rapidly evolving marketplace.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

14 Patents

#23 in Overland Park, KS

#169 in Kansas

#22,302 in US

#42,199 in the World

Overland Park, KS, United States of America

Multi Service Corporation

Forward Citations = 164

4 inventors:

Christopher E Combest (14 out of 23 patents)

John Koval (3 out of 3 patents)

Stephen Saint-Vincent (1 out of 1 patent)

4. Robert R Hoyes (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Multi Service Corporation. Retrieved from https://idiyas.com/company/multi-service

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]