RS

Richard A. Sikra

DW Drum Workshop: 31 patents #2 of 29Top 7%
📍 Thousand Oaks, CA: #52 of 1,766 inventorsTop 3%
🗺 California: #15,031 of 386,348 inventorsTop 4%
Overall (All Time): #107,595 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
7468480 Dual drum support and positioning 2008-12-23
D580477 Drum lug Scott Donnell 2008-11-11
7395994 Quick release percussion instrument arm adapter 2008-07-08
7351902 Cymbals remote actuation detachment means 2008-04-01
7268283 Drum support structure 2007-09-11
6559368 Cushioned percussion device Donald G. Lombardi 2003-05-06
6307136 Percussion instrument actuator assembly Donald G. Lombardi 2001-10-23
6278046 Percussion instrument actuator assembly with selectable actuation Donald G. Lombardi 2001-08-21