RK

Robert S. Kalember

Overall (All Time): #2,140,748 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7621861 Rotational exercise apparatus Michael W. Knight 2009-11-24
7115078 Orbital resistance-adjustable sphere exercising apparatus Michael W. Knight 2006-10-03