DL

Donald G. Lombardi

DW Drum Workshop: 2 patents #1 of 2Top 50%
📍 Thousand Oaks, CA: #14 of 147 inventorsTop 10%
🗺 California: #3,616 of 26,868 inventorsTop 15%
Overall (2005): #57,924 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6894210 Adjustable drum beating apparatus — 2005-05-17
6891098 Anti-friction drum strand selective tensioner — 2005-05-10