Patents by Inventor Dale E. Garrison

Dale E. Garrison 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).

  • Childproof electrical plug
    Patent number: 5480318
    Abstract: A common, grounded three-conductor male electrical plug including in the grounded blade a spring biased catch for engaging the walls of a female receptacle and locking the plug in the receptacle. An aperture in the plug allows a non-conductive tool to move the catch against the spring bias and away from the walls of the receptacle to unlock the plug and permit removal from the receptacle.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: January 2, 1996
    Inventor: Dale E. Garrison