RH

Richard G. Halstead

Overall (All Time): #3,428,137 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7105338 Motorized turntable for petri dish Richard A. Holmes, Richard G. Malmquist, Douglass M. Nolte 2006-09-12