CT Ke, HSU Kun-Jia, LAI Dong-Gu… - US Patent App. 29 …, 2017 - Google Patents
FIG. 6 is a top view thereof; D279, 572 S* 7/1985 Yasuoka...................... D15/122 FIG. 7 is a
bottom view thereof, and, D287, 368 S* 12/1986 Shibayama...... D15, 122 FIG. 8 is a …