Donald J. Keefe

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Automatic sweep circuit

Registers – Platform operated – Platform actuated traffic counters
Patent

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Count-doubling time safety circuit

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DC-AC converter for supplementing an AC power source

Electrical transmission or interconnection systems – Plural supply circuits or sources – One source floats across or compensates for other source
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Monitoring circuit for reactor safety systems

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Tape transport mechanism

Radiant energy – Fluent material containment – support or transfer means – With irradiating source or radiating fluent material
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Profile ID: LFUS-PAI-P-356213

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