Patents by Inventor Oscar Thuler

Oscar Thuler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Luminous marking in an indentation of an object
    Patent number: 4020203
    Abstract: A luminous mark on an object is provided by a phosphor and a source of nuclear radiation in an indentation of the object, the materials being held in place by a transparent cover closing said indentation.
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: April 26, 1977
    Inventor: Oscar Thuler