Referenced by|
| US4052978 | Jan 19, 1976 | Oct 11, 1977 | | Electro-therapy apparatus | | USD254569 | May 16, 1978 | Mar 25, 1980 | Biosig Inc. | Housing for a portable hand-held, digital, heart rate indicator device | | USD625212 | Sep 3, 2009 | Oct 12, 2010 | Church of Spiritual Technology | Electrode for an electropsychometer |
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