Patents by Inventor Melvin L. Boyd

Melvin L. Boyd 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).

  • Ball projector
    Patent number: D355445
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: February 14, 1995
    Assignee: Lan-Cor, Inc.
    Inventor: Melvin L. Boyd
  • Ball projector
    Patent number: D355936
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: February 28, 1995
    Assignee: Lan-Cor, Inc.
    Inventor: Melvin L. Boyd