RS

Robert J. Sun

DC Drexelbrook Controls: 1 patents #1 of 2Top 50%
📍 Yeadon, PA: #1 of 15 inventorsTop 7%
🗺 Pennsylvania: #88 of 2,652 inventorsTop 4%
Overall (1982): #3,338 of 81,411Top 5%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4332167 Method of making an RF admittance measuring probe and product thereof Frederick L. Maltby 1982-06-01
4320760 Acupressure method Evelyn L. Sun 1982-03-23
4319574 Acupressure device Evelyn L. Sun 1982-03-16