发明名称 Masonry block spacer tool
摘要 A masonry block spacer tool includes two opposing base plates each having four pins for nesting the corners of masonry blocks therein as the blocks are being assembled into a wall or panel, and a cross-member between the plates whose ends snap fit into the base plates and form one of the four pins.
申请公布号 US5191718(A) 申请公布日期 1993.03.09
申请号 US19920862723 申请日期 1992.04.03
申请人 TREND PRODUCTS INC. 发明人 FOX, ROBERT E.
分类号 E04C1/42 主分类号 E04C1/42
代理机构 代理人
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