RK

Richard S. Ketcham

TT Tfr Technologies: 2 patents #2 of 4Top 50%
Overall (All Time): #2,285,819 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5404628 Method for optimizing piezoelectric resonator-based networks — 1995-04-11
5231327 Optimized piezoelectric resonator-based networks — 1993-07-27