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Tietech Corporation Patents
Tietech Corporation
Nagoya, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6492961 Image forming device and touchless display switch December 10, 2002
An image forming device is adapted for placement on a surface on which pictures or characters are drawn or displayed. The image forming device includes a lens member including a plurality of distributed-index rod-like lens elements disposed in juxtaposed relationship with each other in a
5578816 Display push switch for use with display device having an image transmission member fixedly disp November 26, 1996
A display push switch has a switch housing having an open upper end and an open lower end. A key top member made of substantially transparent material is disposed within the open upper end of the switch housing. The key top member is operable by an operator to be pushed into the switch

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