Patents by Inventor Marvin R. Whitley

Marvin R. Whitley 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).

  • Foam-filled plastic mailbox post
    Patent number: 5620136
    Abstract: A mailbox support post for supporting a mailbox a predetermined distance above the ground, and including a ground engaging portion, an upright portion, a mailbox support shelf extending outward from the upright portion, and a brace between the mailbox support shelf and the upright portion. The mailbox support post is fabricated of an expanded foam core within a solid plastic shell.
    Type: Grant
    Filed: October 24, 1995
    Date of Patent: April 15, 1997
    Assignee: Erwin Industries, Inc.
    Inventors: Ronald D. Erwin, Marvin R. Whitley
  • Mailbox support
    Patent number: D376248
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: December 3, 1996
    Assignee: Erwin Industries, Inc.
    Inventors: Ronald D. Erwin, Marvin R. Whitley
  • Mailbox post with support arm
    Patent number: D378462
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: March 11, 1997
    Assignee: Erwin Industries, Inc.
    Inventors: Ronald D. Erwin, Marvin R. Whitley