Patent Leaderboard

Search Companies Inventors Cities States

MO

Mark O'Callaghan

Overall (2021): #344,753 of 548,734Top 65%

1

Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10911858	Earphone	—	2021-02-02

Your Patent Widget

Preview how it looks, then copy the embed code to add it to your website.

Embed Code

                <iframe src="https://www.patentleaderboard.com/widget/inventor/595791" width="100%" height="400" frameborder="0" style="border:none;border-radius:12px;display:block;"></iframe>
            

© 2026 Patent Leaderboard. Data from USPTO via PatentsView.