Patents by Inventor Charles G. Peck

Charles G. Peck 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: 3964914
    Abstract: This invention is directed to an aqueous halogen-free electromarking solution which possesses the capacity for marking a broad spectrum of metals and alloys selected from different classes. The aqueous solution comprises basically the nitrate salt of an amphoteric metal, a chelating agent, and a corrosion-inhibiting agent.
    Type: Grant
    Filed: August 16, 1974
    Date of Patent: June 22, 1976
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventors: Jonathan S. Bullock, William L. Harper, Charles G. Peck