Patents by Inventor Louis R. Effron

Louis R. Effron 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).

  • Rack for elongated objects
    Patent number: D344673
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: March 1, 1994
    Inventor: Louis R. Effron
  • Rack for elongated objects
    Patent number: D387233
    Type: Grant
    Filed: May 22, 1996
    Date of Patent: December 9, 1997
    Inventor: Louis R. Effron
  • Rack for elongated object
    Patent number: D387933
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: December 23, 1997
    Inventor: Louis R. Effron