Patents by Inventor David E. Krech

David E. Krech 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: D263088
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: February 16, 1982
    Assignee: DeKrech Enterprises, Inc.
    Inventor: David E. Krech
  • Patent number: D266619
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: October 19, 1982
    Assignee: DeKrech Enterprises, Inc.
    Inventor: David E. Krech
  • Patent number: D266620
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: October 19, 1982
    Assignee: DeKrech Enterprises, Inc.
    Inventor: David E. Krech