A hollow golf club head is provided. A sole portion is provided with at least one rib extended from a toe side to a heel side. The rib is curved in a manner that a toe-side end and a heel-side end of the rib are located closer to a face side than a central part of the rib.

 
Web www.patentalert.com

< Liquid crystal display device's substrate, liquid crystal display device including the same, and manufacturing method of the same

> Apparatus and method for a slim format spectrometer

~ 00443