Patents by Inventor Jack D. Matthis

Jack D. Matthis 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).

  • Wall-mounted electrical power supply
    Patent number: 5236371
    Abstract: An electrical power supply device includes a housing having at least one set of electrical prongs engageable in a wall electrical outlet to detachably mount the housing on a wall. The prongs are electrically connected to an electrical receptacle and an extension cord wound on a rotary reel in the housing. An electrical appliance may be plugged into the receptacle. The extension cord may be pulled from the housing to connect with a second appliance disposed remotely of the housing.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: August 17, 1993
    Inventor: Jack D. Matthis