Golf club head
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 18, 1990
Issued Date -
N/A
app pub date -
May 13, 1988
filing date -
Jun 24, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a set of golf irons which have progressively decreasing displacements between the axis of the shaft and the center of mass projected to the horizontal plane beginning with the long irons and progressing to the short irons. Each iron in the set also has a support column behind the striking face, parabolic shaped horizontal grooves in the striking face, and a flat segment on the sole.
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Cited Art Landscape
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