Patents by Inventor Michael E. McDuffee

Michael E. McDuffee 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).

  • Convertible backpack frame
    Patent number: 9675164
    Abstract: A backpack frame is convertible from a frame position to a cot position. The backpack frame includes: a first U-shaped member having a closed end and an open end, a first intermediate member having a distal end and a proximal end, the proximal end is hingably connected to the open end of the first U-shaped member, a second intermediate member having a distal end and a proximal end, the distal end of the first intermediate member is hingably connected to the distal end of the second intermediate member, a second U-shaped member having a closed end and an open end, the proximal end of the second intermediate member is hingably connected to the open end of the second U-shaped member. In the frame position, the first U-shaped member, the first intermediate member, the second intermediate member, and the second U-shaped member lie in a single plane.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: June 13, 2017
    Inventor: Michael E. McDuffee
  • CONVERTIBLE BACKPACK FRAME
    Publication number: 20170000245
    Abstract: A backpack frame is convertible from a frame position to a cot position. The backpack frame includes: a first U-shaped member having a closed end and an open end, a first intermediate member having a distal end and a proximal end, the proximal end is hingably connected to the open end of the first U-shaped member, a second intermediate member having a distal end and a proximal end, the distal end of the first intermediate member is hingably connected to the distal end of the second intermediate member, a second U-shaped member having a closed end and an open end, the proximal end of the second intermediate member is hingably connected to the open end of the second U-shaped member. In the frame position, the first U-shaped member, the first intermediate member, the second intermediate member, and the second U-shaped member lie in a single plane.
    Type: Application
    Filed: July 2, 2015
    Publication date: January 5, 2017
    Inventor: Michael E. McDuffee