Donald G. Lombardi

DW Drum Workshop: 1 patents #1 of 1Top 100%

📍 Thousand Oaks, CA: #4 of 91 inventorsTop 5%

🗺 California: #921 of 17,285 inventorsTop 6%

Overall (1997): #16,889 of 185,788Top 10%

Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5668332	Cymbal position control apparatus	—	1997-09-16
5627332	Drum beater and pedal apparatus with interfitting dual adjustment of drum rim clamp	—	1997-05-06
5616875	Drum strand tensioner	—	1997-04-01