发明名称 Golfer's aid
摘要 A golfer's aid is provided in the form of a translucent sheet having two transparent crosses thereon wherein the center of the crosses corresponds with the separation of a user's eyes, and a pair of vertical and horizontal slots, respectively, above and at the outer sides of said crosses, said sheet being pivotally supported by extension arms well in front of the user's eyes.
申请公布号 US4531743(A) 申请公布日期 1985.07.30
申请号 US19830435907 申请日期 1983.12.17
申请人 LOTT, THOMAS M. 发明人 LOTT, THOMAS M.
分类号 A63B69/36;G02C5/00;G02C7/16;G02C9/02;(IPC1-7):A63B69/36 主分类号 A63B69/36
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