AT

Akito Takegawa

PI Pearl Musical Instrument: 4 patents #1 of 3Top 35%
Overall (2016): #47,964 of 481,213Top 10%
4
Patents 2016

Issued Patents 2016

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9502013 Device for applying tension to a drum head — 2016-11-22
9390697 Removable electronic drum head and hoop for acoustic drum — 2016-07-12
9355625 Cymbal mounting assembly — 2016-05-31
9336758 Drum having interchangeable drum shell segments — 2016-05-10