KH

Keneth D. Hartman

CT Cts: 1 patents #192 of 352Top 55%
Overall (All Time): #3,973,151 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4661201 Preferential etching of a piezoelectric material Petros Petridis, Darrel E. Newell 1987-04-28