SPORTS DEVICE HAVING A LOW DRAG SHAFT
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United States of America Patent
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app pub date -
Jul 26, 1999
filing date -
Apr 7, 1999
priority date (Note) -
Abandoned
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Abstract
A shaft adapted to move through a fluid, wherein the shaft has a surface, diameter, and length, and wherein the shaft comprises at least two ridges extending along at least a portion of the length, such that fluid resistance encountered by the shaft as it is moved through the fluid is reduced.
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