Forward Citations = 123

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7 inventors (with patents filed for the assignee):

Brian Clemens (7 out of 17 patents)

Dan Klitsner (6 out of 17 patents)

Michael Jonathan Liebowitz (5 out of 28 patents)

4. Daniel B Klitsner (3 out of 7 patents)

5. Jeff Argentine (3 out of 3 patents)

6. Gary Levenberg (2 out of 7 patents)

7. Daniel C Sanfilippo (1 out of 3 patents)

9 patents: Sort by Forward Citations

1. 7985137 - Hand-held electronic game device (2011-07-26),

2. 7044857 - Hand-held musical game (2006-05-16),

3. 6322449 - Mechanical interface device (2001-11-27),

4. 6210278 - Hand-held voice game (2001-04-03),

5. 6209845 - Keyboard interface (2001-04-03),

6. D430235 - Interactive playset for use on a computer keyboard (2000-08-29),

7. D430234 - Interactive playset for use on a computer keyboard (2000-08-29),

8. D430233 - Interactive playset for use on a computer keyboard (2000-08-29),

9. 5992817 - Keyboard interface device (1999-11-30),

Company Overview

Klitsner Industrial Design, LLC is a leading industrial design firm specializing in creating innovative and functional product designs. With over 20 years of experience, our team of talented designers work closely with clients to bring their ideas to life. From concept development to prototyping, we offer a full range of design services to help businesses succeed in today's competitive market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#491 in San Francisco, CA

#7,735 in California

#32,588 in US

San Francisco, CA, United States of America

Klitsner Industrial Design, LLC

Forward Citations = 123

7 inventors:

Brian Clemens (7 out of 17 patents)

Dan Klitsner (6 out of 17 patents)

Michael Jonathan Liebowitz (5 out of 28 patents)

4. Daniel B Klitsner (3 out of 7 patents)

5. Jeff Argentine (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Klitsner Industrial Design, LLC. Retrieved from https://idiyas.com/company/klitsner-industrial-design

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]