Bizarre Patents
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 |
| 5483536 | Ring network concentrator A ring network concentrator for dynamically changing the design of a network system depending on conditions of a ring network attached to the network concentrator. The ring network concentrator partitions traffic of a ring trunk network into a plurality o... | 01/09/1996 |
