DR

David C. Rothenberger

📍 Winnipeg, CA: #458 of 1,797 inventorsTop 30%
Overall (All Time): #2,109,078 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8063790 System and method for detecting the presence of an object — 2011-11-22
7973589 Micro-controller-based electronic switch using a proximity detector to facilitate hands-free control of an AC device — 2011-07-05