发明名称 Door frame pattern device
摘要 A device which can be placed in a door frame, set and adjusted to the precise dimensions of the door frame; then removed and placed on the door, providing a means for indicating the amount and location of planing to be done to a door to insure a precise fit when the door is hung.
申请公布号 US4707925(A) 申请公布日期 1987.11.24
申请号 US19860853869 申请日期 1986.04.21
申请人 ENGLEHART, CLEM C. 发明人 ENGLEHART, CLEM C.
分类号 B25H7/00;E04F21/00;(IPC1-7):E04F21/00 主分类号 B25H7/00
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