Alexander Graham Bell

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Across
  1. 2. a device for transmitting voice over long distances
  2. 3. Information exchange between people
  3. 6. a state or condition of disagreement, debate, or conflict
Down
  1. 1. a system or device for transmitting messages over a distance using electrical signals over a wire
  2. 4. creating or discovering a new product, process, device, method, or idea that did not exist before
  3. 5. a form of intellectual property that gives its owner the right to exclude others from manufacturing, using, selling, and importing an invention for a limited period of time (usually 20 years)