RO

Ronald E. Opfergelt

📍 Bakersfield, CA: #364 of 840 inventorsTop 45%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,232,458 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8323108 Double kick adapter for video game drum machine — 2012-12-04