Patents by Inventor Ronald A Mondillo

Ronald A Mondillo 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).

  • Patent number: 6139652
    Abstract: A fine silver alloy composition having at least about 99.5 weight percent silver, with the balance containing an element, or an oxide of an element, selected from the group consisting of: aluminum, antimony, cadmium, gallium, germanium, indium, lithium, manganese, magnesium, silicon, tin, titanium and zinc, the alloy composition having been formed by combining silver having a purity of at least about 99.90 weight percent with an element, or an oxide of an element, selected from the group, in a substantially non-oxidizing atmosphere. The alloy composition may be annealed in a substantially non-oxidizing atmosphere. The silver alloy composition may be hardened by internal oxidation. The composition is capable of being aged hardened to at least 136 percent of its annealed hardness, and this hardening may be irreversible. The composition may be resistant to tarnishing, and may have an aged hardness of at least about 48 VHN.
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: October 31, 2000
    Assignees: Stern-Leach, Ronald Mondillo
    Inventors: Richard V. Carrano, Ronald A Mondillo