4. Excavating

David B. Rose

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Headset construction and method of making same

Telephonic communications – Terminal – Housing or housing component
Patent

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Method of testing a data communication system

Excavating
Patent

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Portable wireless communication unit and method of using same

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent

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Remote infrared transceiver and method of using same

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent

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Profile ID: LFUS-PAI-P-725076

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