Supports – Easel; book – copy or music score holder
Patent
1988-08-22
1991-08-06
Chin-Shue, Alvin C.
Supports
Easel; book, copy or music score holder
A47B 2700
Patent
active
050370561
ABSTRACT:
A portable desk which enables a person to stand while writing. The desk is particularly useful for people who have back problems. The writing surface of the desk is inclined at an acute angle of about 40.degree. to 50.degree. which minimizes the stress or tension of the muscles of the person's back, shoulders and arms.
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patent: 4553483 (1985-11-01), Votteler et al.
Chin-Shue Alvin C.
Erickson Donald W.
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