MF

Marvin E. Frerking

RI Rockwell International: 7 patents #90 of 2,155Top 5%
UF US Air Force: 1 patents #6,190 of 16,312Top 40%
📍 Cedar Rapids, IA: #160 of 1,358 inventorsTop 15%
🗺 Iowa: #1,509 of 15,303 inventorsTop 10%
Overall (All Time): #523,487 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6977557 Injection mode steering oscillator 2005-12-20
6545550 Residual frequency effects compensation 2003-04-08
5053651 Deglitched digital mixer circuit Roy W. Berquist 1991-10-01
4906944 Integrator controlled time compensated clock oscillator 1990-03-06
4891611 Vibration compensated crystal oscillator 1990-01-02
4513259 Closed loop temperature compensated frequency reference 1985-04-23
4449032 Variable gain oven temperature control circuit 1984-05-15
4396892 Accelerated warm-up crystal oven Glenn R. Hykes 1983-08-02
4305041 Time compensated clock oscillator 1981-12-08
4297657 Closed loop temperature compensated frequency reference 1981-10-27