Horizontally supported planar surfaces – Vertically adjustable – Shelf type
Patent
1991-08-19
1993-12-21
Chen, Jose V.
Horizontally supported planar surfaces
Vertically adjustable
Shelf type
108 7, 108 96, A47B 900
Patent
active
052713202
ABSTRACT:
A new and improved workstation including a base member, a first vertical mast mounted with the base member and extending upwardly therefrom, a second vertical mast disposed about the first vertical mast for vertical movement with respect thereto, a monitor shelf with the second vertical mast for movement therewith, a third vertical mast disposed about the second vertical mast for movement therewith, and a work surface with the third vertical mast for movement therewith.
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patent: 4752102 (1988-06-01), Rasmussen
The Mayline Company, "The New Mayline/Hamilton" catalogue, Mayline Catalogue No. 18, Oct. 1989, Covers, pp. 8, 9, 12.
Royal Seating Corporation, "Royal" catalogue, (undated/unnumbered) pp. 6 and 7.
Ergotron, "Ergotron" form No. 81009 (undated).
Chen José V.
Schwartz Richard L.
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