Patent US6368227 - Method of swinging on a swing
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.
Hasnain says:
Someone managed to patent a method of swinging on a swing. Kudos, USPTO.
Posted on 2012-09-28T16:51:58+0000