Patents by Inventor Alexander B. Clark, Jr.

Alexander B. Clark, 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).

  • Folding seat structure
    Patent number: 4385782
    Abstract: A seat structure of carboard and the like is illustrated wherein a seat portion and a back portion as well as flaps provided for interconnecting the seat and the back are formed from a single blank providing a foldable seat for use upon bleachers and the like as when attending sporting events. The flaps are insertable within a pair of inwardly converging slots carried in the seat portion to resist the force exerted by a user leaning back.
    Type: Grant
    Filed: July 15, 1977
    Date of Patent: May 31, 1983
    Inventor: Alexander B. Clark, Jr.
  • Fork lift pallet
    Patent number: 4100859
    Abstract: A disposable fork lift pallet is illustrated wherein substantially rectangular insert means utilizing vertical tubular supports at each corner thereof offering vertical and horizontal support are utilized at each of the four corners of the pallet.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: July 18, 1978
    Inventor: Alexander B. Clark, Jr.