Home › 2021 › Inventors › Mark O'Callaghan

Mark O'Callaghan — 1 Patent in 2021

London, GB: #403 of 1,591 inventorsTop 30%

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