An iron type golf club having an alignment and sighting area formed on the top ridge of the club head proximate the toe and positioned perpendicular to the intended line of flight and parallel to the longitudinal axis of the club face or the grooves on the ball striking face to aid a golfer in aligning...http://www.google.com/patents/US4900028?utm_source=gb-gplus-sharePatent US4900028 - Iron type golf club head with an integral sighting means
