Patents by Inventor Arnold S. Pyle

Arnold S. Pyle 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).

  • Drill guide
    Patent number: 3979165
    Abstract: A drill guide intended as an accessory to a portable hand-held drill may be integrally or removably attached. The removable version is a separate unit, transferable from drill to drill. A drill guide foot contacts the stock to be drilled at an adjustable angle, while adjustable locknuts mounted on a spring-biased threaded rod accurately set the depth of the holes to be drilled.
    Type: Grant
    Filed: May 22, 1975
    Date of Patent: September 7, 1976
    Inventor: Arnold S. Pyle