Patents by Inventor Ronald E. Edin

Ronald E. Edin 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).

  • Electrical heating element
    Patent number: 4021769
    Abstract: An elongated electrical heating element comprises intertwisted helical strands of metal wire. Some of the strands extend the full length of the heating element and other strands extend predetermined shorter distances to provide two or more zones having differing electric resistances and therefore differing operating temperatures.
    Type: Grant
    Filed: March 18, 1976
    Date of Patent: May 3, 1977
    Assignee: GTE Sylvania Incorporated
    Inventors: Ronald E. Edin, Norman A. Mathieu
  • Electric burner stand
    Patent number: D250683
    Type: Grant
    Filed: September 14, 1977
    Date of Patent: January 2, 1979
    Assignee: GTE Sylvania Incorporated
    Inventors: John J. Vetere, Ronald E. Edin, Philip G. Aberizk
  • Electric heater
    Patent number: D251796
    Type: Grant
    Filed: December 30, 1976
    Date of Patent: May 8, 1979
    Assignee: GTE Sylvania Incorporated
    Inventors: Ronald E. Edin, Philip G. Aberizk, Norman A. Mathieu, Ruth G. Petersen