Patents by Inventor Agnes Y. Lee

Agnes Y. Lee 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).

  • Method for soldering aluminum and magnesium
    Patent number: 4613069
    Abstract: Aluminum, magnesium, or their alloys are soldered by means of a tin-lead system following initial application of a thin coating of nickel-copper alloy.
    Type: Grant
    Filed: January 6, 1984
    Date of Patent: September 23, 1986
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Wilbert L. Falke, Agnes Y. Lee, Leander A. Neumeier
  • Production of lead from sulfides
    Patent number: 4500398
    Abstract: Lead is recovered from sulfide ores which contain lead by leaching the ore with fluosilicic acid to form elemental sulfur and lead fluosilicate, and then subjecting the lead fluosilicate to electrolysis to produce lead and fluosilicic acid.
    Type: Grant
    Filed: June 20, 1984
    Date of Patent: February 19, 1985
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Ernest R. Cole, Jr., Agnes Y. Lee, Danton L. Paulson
  • Electrowinning of lead from H.sub.2 SiF.sub.6 solution
    Patent number: 4272340
    Abstract: Lead is electrowon from aqueous phosphorus-containing fluosilicic acid solution by deposition on a lead cathode, employing an anode comprising a titanium substrate and an electrodeposited lead oxide coating having a uniform, dense grain size and structure.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: June 9, 1981
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Ernest R. Cole, Jr., Agnes Y. Lee, Danton L. Paulson
  • Electroplating with Ni-Cu alloy
    Patent number: 4167459
    Abstract: Nickel-copper alloy is plated on a metal substrate by electrodeposition of the alloy from an acetate electrolyte solution.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: September 11, 1979
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Agnes Y. Lee, Wilbert L. Falke, Alfred E. Schwaneke