4. Oscillators
  5. With indicator, signal, or alarm

Donald P. Ryan

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Frequency range selectable oscillator for multichannel communica

Oscillators – With indicator – signal – or alarm
Patent

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Mitre box with improved indexing means

Cutting – By tool reciprocable along elongated edge – With tool in-feed
Patent

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Utility knife handle

Tools and hardware – Other tools and implements – Handle
Patent

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Vehicle for transporting alternative substances in alternative c

Land vehicles: dumping – Tilting – Operating mechanism
Patent

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