Patents by Inventor James L. Lockwood, Jr.

James L. Lockwood, Jr. 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).

  • Method for installing ceiling panels in a tunnel
    Patent number: 4051682
    Abstract: A method for installing ceiling panels in a tunnel comprises installing a plurality of brackets in the tunnel roof and disposing a horizontal platform at an intermediate height in the tunnel. A plurality of ceiling panels are lifted onto the platform where the panels are then linked together to form a ceiling section. The platform is then raised upwardly until the panels are adjacent the brackets, and the panels are then secured to the brackets.
    Type: Grant
    Filed: July 15, 1976
    Date of Patent: October 4, 1977
    Inventor: James L. Lockwood, Jr.