RO

Robert O'Brien

Overall (2004): #43,564 of 270,089Top 20%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6836098 Battery charging method using supercapacitors at two stages 2004-12-28
6741440 Mechanically pulsed magnetization kit 2004-05-25