Canada Patents
1,162,301 – Time Division Multiplier Transducer with Selective Phase Shift
1,173,157 – Time Division Multiplier Transducer with Digitally Derived Phase Shift Adjustment for Reactive Power and Energy Measurement
1,238,364 – Electronic Energy and Power Monitoring Apparatus 1,290,400 – Digital Power Metering 2,043,235 – Digital Power Metering
