Supports – Easel; book – copy or music score holder – With article gripping means
Patent
1991-12-20
1993-01-19
Chin-Shue, Alvin C.
Supports
Easel; book, copy or music score holder
With article gripping means
2484411, 248176, 2482052, 248314, A47B 1900
Patent
active
051801337
ABSTRACT:
A clipboard includes a board and a clip member. A recess is formed at the outside face of the clamp member and is configured to receive a calculator. A positioning device is provided for detachably positioning the calculator in the recess of the clamp member. Therefore, the calculator can be easily removed from the clamp member because a large working space is available.
REFERENCES:
patent: 4955576 (1990-09-01), Moberg
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