RH

Robert J. Hesselberth

SP Spectracom: 1 patents #3 of 8Top 40%
Overall (All Time): #4,017,187 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4525685 Disciplined oscillator system with frequency control and accumulated time control Thomas P. Donaher, Joel E. Sandahl 1985-06-25