Supports: racks – Knockdown – Foldable or collapsible
Patent
1990-09-24
1992-01-07
Chotkowski, Karen J.
Supports: racks
Knockdown
Foldable or collapsible
211195, A47B 4700
Patent
active
050782843
ABSTRACT:
A platform frame assembly for attachment to a portable exhibit display, the platform frame assembly having pivotal display frame members which are engageable against the portable exhibit display in an interlocking arrangement; the platform frame assembly having a plurality of horizontal shelves supportable by the frames for providing a projecting platform as an attachment to the portable exhibit display.
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patent: 255215 (1882-03-01), Tuttle
patent: 631948 (1899-08-01), Bush
patent: 1095814 (1914-05-01), Champion
patent: 1158212 (1915-10-01), Henderson
patent: 1714698 (1929-05-01), Stoll
patent: 2784004 (1957-03-01), Hamrich, Jr.
patent: 4727994 (1988-03-01), Beaulieu
patent: 4926294 (1990-05-01), Beaulieu et al.
Jones Wesley W.
Pirkl Paul M.
Sorenson Gary R.
Chotkowski Karen J.
Skyline Displays, Inc.
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