TODAY’S PATENT – DESK NAME PLATE
This invention “Desk name plate” was invented by Joseph F. Lecznar which was granted patent on 26th May, 1981 by the USPTO bearing patent grant number US4268985A to the patentee. The present invention relates to a name plate comprising a right angle glass prism mounted on a mirror such that an exhibit mounted on one of the prism faces provides several images depending upon the user’s line of sight of the prism.
A desk name plate, comprising base means including a glass mirror having an upper surface and an upwardly facing reflective surface spaced beneath the upper surface a distance corresponding to the thickness of the mirror, a glass prism having a first face, and a second face, and a third face, the first face being disposed at a 90° angle with respect to the second face and a 45° angle with respect to the third face, said prism being disposed such that the third face thereof is parallel to and adjacent the upper surface of the mirror and an exhibit mounted on the first face of the prism so as to be viewable through the second face and to provide a first image and a second image of the exhibit, each of said images being viewable through the second face, the first image being upside down with respect to the exhibit and comprising a reflection of the exhibit from the third face of the prism, and the second image being right side up with respect to the exhibit and comprising a reflection of the exhibit from the reflective surface of the mirror.