DJ

Darrell Johnston

📍 Lomita, CA: #105 of 637 inventorsTop 20%
🗺 California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #841,544 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10121462 Universal trigger module 2018-11-06
8686265 Topside spring tension adjuster for bass drum pedals with variable pivot point spring rotor 2014-04-01
8642868 Beater bracket and variable drive lever system with variable pivot point spring rotor for bass drum foot pedals Charles Blashaw 2014-02-04
8455746 Beater bracket and variable drive lever system with variable pivot point spring rotor for bass drum foot pedals Charles Blashaw 2013-06-04
7598445 Detonator with cushioned mallet 2009-10-06
5301592 Bass drum foot pedal 1994-04-12