RS

Robert J. Sun

DC Drexelbrook Controls: 1 patents #11 of 21Top 55%
Overall (All Time): #745,180 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8613194 Tri-energy power generating device 2013-12-24
D429007 Brick 2000-08-01
4931329 Enclosure forming adaptors and related apparatus 1990-06-05
4682974 Slip case package 1987-07-28
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