SR

Shadrach Joseph Roundy

📍 Concord, CA: #233 of 739 inventorsTop 35%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,519,784 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9048717 Multipolar electromagnetic generator Eri Takahashi 2015-06-02
8665042 Wireless switch with multipolar electromagnetic generator Eri Takahashi, Jeffry Tola, Brian Bircumshaw, Stewart R. Carl 2014-03-04
8324998 Wireless switch with multipolar electromagnetic generator Eri Takahashi, Jeffry Tola, Brian Bircumshaw, Stewart R. Carl 2012-12-04