Patents by Inventor Andrew L. Calvery

Andrew L. Calvery 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).

  • Multiuse portable chair
    Patent number: 6592187
    Abstract: A portable multipurpose chair provides hooks on a frame that can be hooked around a bleacher seat or alternatively be used as legs of the chair in outdoor environments such as a beach or campsite. Telescoping frame sides include an elastic cord to bias the hooks together to remain engaged around a bench seat when the chair is used in a bleacher environment. The back of the seat includes a backrest against which a user can lean. Rigid cross members ensure that the chair remains in a stable position when in use.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: July 15, 2003
    Inventor: Andrew L. Calvery
  • Multiuse portable chair
    Publication number: 20030062757
    Abstract: A portable multipurpose chair provides hooks on a frame that can be hooked around a bleacher seat or alternatively be used as legs of the chair in outdoor environments such as a beach or campsite. Telescoping frame sides include an elastic cord to bias the hooks together to remain engaged around a bench seat when the chair is used in a bleacher environment. The back of the seat includes a backrest against which a user can lean. Rigid cross members ensure that the chair remains in a stable position when in use.
    Type: Application
    Filed: September 28, 2001
    Publication date: April 3, 2003
    Inventor: Andrew L. Calvery