TEC ONE INTERNATIONAL CO., LTD.
TEC ONE INTERNATIONAL CO., LTD. Patent applications | ||
Patent application number | Title | Published |
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20130227854 | AMBIDEXTROUS VERNIER CALIPER - An ambidextrous vernier caliper includes a main ruler and a vernier having a slide channel in which the main ruler is inserted. As each of the front and back sides of the main ruler has a graduated layer, and each of the front and back sides of the vernier has a scaled layer, the vernier caliper is convenient to use by left-handed as well as right-handed people. | 09-05-2013 |