Patents by Inventor Michael Gauger

Michael Gauger 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).

  • Plug for temporarily sealing the end of a pipe
    Patent number: 5303741
    Abstract: A temporary pipe plug comprised of a lightweight main body encircled by an outer sealing surface. The outer sealing surface has a rounded edge which contacts the gasket on the bell end of a sewer or water pipe. A boss is affixed to the main body which provides attachment of a chain to the plug. The chain is used for easy removal of the plug.
    Type: Grant
    Filed: January 14, 1992
    Date of Patent: April 19, 1994
    Inventor: Michael Gauger