Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US07/331,181 Inventor Joel Rossen Current Assignee (The listed assignees may be inaccurate. Google Patents Transcutaneous electrical nerve stimulation (TENS) deviceÄownload PDF Info Publication number US4989605A US4989605A US07/331,181 US33118189A US4989605A US 4989605 A US4989605 A US 4989605A US 33118189 A US33118189 A US 33118189A US 4989605 A US4989605 A US 4989605A Authority US United States Prior art keywords frequency pair electrode polarity carrier signal Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4989605A - Transcutaneous electrical nerve stimulation (TENS) device US4989605A - Transcutaneous electrical nerve stimulation (TENS) device
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