Patents by Inventor Alfred L. Langtry

Alfred L. Langtry 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).

  • Adjustable Strike
    Publication number: 20080252085
    Abstract: This invention is for an adjustable strike. The adjustable strike is a strike plate having a hole to receive a latch bolt. There is an adjustment piece that adjusts the size of the hole so that the latch bolt will latch properly.
    Type: Application
    Filed: April 11, 2008
    Publication date: October 16, 2008
    Applicant: ERVOS, INC.
    Inventors: Alfred L. Langtry, Jeffrey A. Yonkey, Robert J. Roach