Patents by Inventor William Dreyer

William Dreyer 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).

  • Patent number: D336215
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: June 8, 1993
    Assignee: Universal Synergetics, Inc.
    Inventor: William Dreyer
  • Patent number: D348394
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: July 5, 1994
    Assignee: Universal Synergetics, Inc.
    Inventor: William Dreyer
  • Patent number: D360152
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: July 11, 1995
    Assignee: Universal Synergetics, Inc.
    Inventor: William Dreyer