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Electrovonfrey Trademarks
ELECTROVONFREY
LABORATORY EQUIPMENT FOR MEASURING PAIN TOLERANCE AND SENSORY THRESHOLD, NAMELY, A DEVICE COMPOSED OF A NONMETALLIC TIP, A STRAIN GAUGE, AND AN ELECTRONIC DISPLAY, SAID DEVICE FOR USE IN DETERMINING THE AMOUNT OF PRESSURE NECESSARY TO PRODUCE PAIN IN A LIVING SUBJECT
Cancelled
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September 21, 1999
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75804251
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