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  2. Fingerprint - Wikipedia

    en.wikipedia.org/wiki/Fingerprint

    A "latent print" is the chance recording of friction ridges deposited on the surface of an object or a wall. Latent prints are invisible to the naked eye, whereas "patent prints" or "plastic prints" are viewable with the unaided eye.

  3. Timeline of 20th century printmaking in America - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_20th_century...

    1985 – The large-format ink jet Iris printer became commercially available and began to be used to create fine art prints. [117] [118] 1987 – The International Fine Art Print Dealers Association (IFPDA) was established as an organization for fine print artists. The annual IFPDA Print Fair in New York City presents curated collections of ...

  4. Prior art - Wikipedia

    en.wikipedia.org/wiki/Prior_art

    Prior art (also known as state of the art [1] or background art [2]) is a concept in patent law used to determine the patentability of an invention, in particular whether an invention meets the novelty and the inventive step or non-obviousness criteria for patentability.

  5. Printing patent - Wikipedia

    en.wikipedia.org/wiki/Printing_patent

    The printing patent or printing privilege was a precursor of modern copyright. It was an exclusive right to print a work or a class of works. It was an exclusive right to print a work or a class of works.

  6. Patent drawing - Wikipedia

    en.wikipedia.org/wiki/Patent_drawing

    A patent application or patent may contain drawings, also called patent drawings, illustrating the invention, some of its embodiments (which are particular implementations or methods of carrying out the invention), or the prior art. The drawings may be required by the law to be in a particular form, and the requirements may vary depending on ...

  7. Currier and Ives - Wikipedia

    en.wikipedia.org/wiki/Currier_and_Ives

    Currier and Ives also produced many prints that were inherently racist in nature, particularly in a series of prints called the Darktown Comics. They depicted African Americans in very demeaning ways, making a very clear mockery of them to their white counterparts. These types of images were popular in the 19th century and in high demand.