A kit for assembling a portable display system. The kit includes a plurality of H-shaped members which can be assembled one on top of the other, a flexible panel attachable to the assembled H-members and a tensioning device for tensioning the flexible panel.
申请公布号
US4784205(A)
申请公布日期
1988.11.15
申请号
US19860930713
申请日期
1986.11.13
申请人
JOHNSON, DAVID B.;JOHNSON, FREDRIK A.;ZUEHLSDORFF, ROBERT R.
发明人
JOHNSON, DAVID B.;JOHNSON, FREDRIK A.;ZUEHLSDORFF, ROBERT R.
