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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 4759070 | Patient controlled master hearing aid A programmable patient controlled master hearing aid is disclosed which consists of a hearing aid test module, an operator's console and a patient's console, both of which are microprocessor based, and all of which are interconnected to provide a testing ... | 07/19/1988 |
