Patents by Inventor Lon Blauvelt

Lon Blauvelt 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: 4042126
    Abstract: Pattern envelopes or like flat articles retained in stack configuration by elements engaging marginal portions of the lead article are withdrawn substantially in such flat condition by displacing the lead article in its entirety in a manner spacing at least one lead article marginal portion from its associated retaining element and then displacing the same outwardly of the stack spacedly from the retaining element. Further outward displacement of the withdrawn marginal portion effects sequential withdrawal of the other marginal portion from the stack.
    Type: Grant
    Filed: February 26, 1976
    Date of Patent: August 16, 1977
    Assignee: Simplicity Pattern Co. Inc.
    Inventors: Lon Blauvelt, J. Douglas Dickson, Robert C. Russell