Patents by Inventor Edgar Grigsby, Jr.

Edgar Grigsby, 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).

  • Patent number: 5836412
    Abstract: A method of assembling either an electric motor powered car or an internal combustion engine powered car along a single assembly line. The method comprises providing a car chassis having a general block shaped drive system receiving area and, selecting a drive system from a group consisting of an electric motor drive system and an internal combustion engine drive system. The method then comprises connecting the selected drive system to the chassis in the drive system receiving area.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: November 17, 1998
    Assignee: Textron, Inc.
    Inventors: Thomas W. Lyles, Robert A. Courtwright, Daniel C. Allen, Edgar Grigsby, Jr.
  • Patent number: 5570751
    Abstract: An air intake system having a housing and an air filter. The housing has an air inlet, an air outlet, and an air conduiting path therebetween. The path includes changes in air flow direction and velocity at least four times each along the path.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: November 5, 1996
    Assignee: Textron Inc.
    Inventors: Robert A. Courtwright, Edgar Grigsby, Jr.
  • Patent number: 5556441
    Abstract: An air filter having a filter element, a support, and a seal. The support is a substantially flat and flexible screen to allow air to pass through the support. The seal is connected to a perimeter of the support and across a middle section of the support to form two sections. The filter element is attached to the support at only one of the sections.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: September 17, 1996
    Assignee: Textron Inc.
    Inventors: Robert A. Courtwright, Edgar Grigsby, Jr.
  • Patent number: D355482
    Type: Grant
    Filed: November 1, 1993
    Date of Patent: February 14, 1995
    Assignee: Textron Inc.
    Inventor: Edgar Grigsby, Jr.