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Quadri; Elvira Patents
Quadri; Elvira
Mutschellen, CH
No. of patents:

Patent Number Title Of Patent Date Issued
4109905 Device for in place swimming August 29, 1978
A device to be used in a swimming pool for in place swimming is disclosed. This device consists of a foam rubber belt attached to a flexible cord. The belt is placed around the abdomen of a swimmer and the cord is secured to the side of the pool. The swimmer then practices swimming strok

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