ES

Ernest Schaeffer

📍 Calabasas, CA: #1,508 of 4,119 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,365,422 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4315171 Step motors — 1982-02-09
4190779 Step motors — 1980-02-26