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Electromagnetic transmitting hockey puck

  • US 5,564,698 A
  • Filed: 06/30/1995
  • Issued: 10/15/1996
  • Est. Priority Date: 06/30/1995
  • Status: Expired due to Term
First Claim
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1. An electromagnetic transmitting hockey puck, comprising:

  • a cylindrical body having a flat upper surface and a flat lower surface; and

    an electromagnetic transmitter, completely disposed inside said cylindrical body, said electromagnetic transmitter adapted to transmit an electromagnetic signal not visible to a human eye.

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