HAND HELD TABLET COMPUTERS DESIGNED

Brand	Owner	Address	Description
C-UVPROTECT	CARL ZEISS VISION GMBH	Turnstrasse 27 Aalen 73430 Germany	Hand-held tablet computers designed to illustrate the amount of protection against ultraviolet light present in a pair of eyeglasses;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A writing board structure includes a frame, a writing tablet of glass, and a background piece corresponding in size and shape to the writing tablet. The writing tablet and the background piece are held together in the frame such that a rear surface of the writing tablet comes in contact with a front surface of the background piece. The front surface of the background piece is provided with a white coating which is intended to furnish a front surface of the writing tablet with a white background. The front surface of the writing tablet is used for writing or drawing erasably with a pen, chalk, or the like.