Patents by Inventor Michael D. Crucefix

Michael D. Crucefix 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).

  • Christmas tree lights
    Patent number: 4870547
    Abstract: A Christmas tree light assembly having a collar to couple strings of series and parallel connected lights together with junctures to connect the light strings together in parallel comprising three-wire lamp receptacles spaced from the collar means so that only preinsulated wires pass through the collar supporting the light strings.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: September 26, 1989
    Inventor: Michael D. Crucefix