Patents by Inventor Dale Butrymowicz

Dale Butrymowicz 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).

  • Process for preparing a part for color anodization
    Patent number: 4713150
    Abstract: An article of manufacture having a metallic surface consisting of brass or stainless steel is overcoated with a first layer of nickel and a second layer of elemental niobium. The article may thereafter be color anodized in a solution of ammonium sulfate without the need for a hydrofluoric acid etch to produce a highly attractive and colorful ornamental surface finish. After anodization, the articles may be coated with clear epoxy or a sputter deposited transparent ceramic coating for added wear resistance.
    Type: Grant
    Filed: November 8, 1985
    Date of Patent: December 15, 1987
    Assignee: Parker Pen Ltd.
    Inventors: Lloyd Hornbostel, Dale Butrymowicz