04892334 is referenced by 43 patents and cites 5 patents.

A portable clipboard includes an integral storage box for transporting various accessories such as pens, pencils, erasers, rulers, calculators, etc. The writing surface of the clipboard is provided with a spring retaining clip for securing papers and is mounted by a hinge to a shallow rectangular box. In a second embodiment, a battery operated light is secured by a flexible stem on the upper surface of the clipboard and a digital clock is also provided.

Title
Portable clipboard and storage box
Application Number
7/321002
Publication Number
4892334
Application Date
March 9, 1989
Publication Date
January 9, 1990
Inventor
Gary A Sinclair
22617 120th Ave. SE., Kent, 98031
WA, US
Agent
Jerry T Kearns
IPC
B42D 3/00
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