Patents by Inventor Thomson Alexander

Thomson Alexander 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).

  • Publication number: 20150247360
    Abstract: An access opening closure device is provided for enabling passage of food or medication into a confined space without providing direct access from within the confined space to outside of the confined space. The device includes a housing assembly including a body and a cover, and a slide assembly including an access door and a frame. The body defines a receptacle and first and second openings. The housing assembly is pivotally coupled to the slide assembly and is movable from an operative position to a stowed, non-operative position.
    Type: Application
    Filed: April 28, 2015
    Publication date: September 3, 2015
    Inventor: Thomson Alexander
  • Patent number: 9016558
    Abstract: An access opening closure device is provided for enabling passage of food or medication into a confined space without providing direct access from within the confined space to outside of the confined space. The device includes a housing assembly including a body and a cover, and a slide assembly including an access door and a frame. The body defines a receptacle and first and second openings. The housing assembly is pivotally coupled to the slide assembly and is movable from an operative position to a stowed, non-operative position.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: April 28, 2015
    Inventor: Thomson Alexander
  • Publication number: 20130104609
    Abstract: An access opening closure device is provided for enabling passage of food or medication into a confined space without providing direct access from within the confined space to outside of the confined space. The device includes a housing assembly including a body and a cover, and a slide assembly including an access door and a frame. The body defines a receptacle and first and second openings. The housing assembly is pivotally coupled to the slide assembly and is movable from an operative position to a stowed, non-operative position.
    Type: Application
    Filed: October 26, 2012
    Publication date: May 2, 2013
    Inventor: Thomson Alexander
  • Patent number: 6817481
    Abstract: An access opening closure device is provided for enabling passage of food or medication into a confined space without providing direct access from within the confined space to outside of the confined space. The device includes a housing defining a receptacle, an access door and a cover. The cover and the access door are independently movable between open and closed positions to provide access to within the receptacle. An engagement member is provided adjacent the access door to selectively lock the access door at a plurality of different positions.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: November 16, 2004
    Inventor: Thomson Alexander
  • Publication number: 20040000552
    Abstract: An access opening closure device is provided for enabling passage of food or medication into a confined spaced without providing direct access from within the confined space to outside of the confined space. The device includes a housing defining a receptacle, an access door and a top cover. The top cover and the access door are independently movable between open and closed positions to provide access to within the receptacle. An engagement member is provided adjacent the access door to selectively look the door at a plurality of different positions.
    Type: Application
    Filed: June 30, 2003
    Publication date: January 1, 2004
    Inventor: Thomson Alexander
  • Patent number: 6598546
    Abstract: An access opening closure device is provided for enabling passage of food or medication into a confined spaced without providing direct access from within the confined space to outside of the confined space. The device includes a housing defining a receptacle, an access door and a top cover. The top cover and the access door are independently movable between open and closed positions to provide access to within the receptacle. An engagement member is provided adjacent the access door to selectively lock the access door at a plurality of different positions.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: July 29, 2003
    Inventor: Thomson Alexander
  • Publication number: 20010039905
    Abstract: An access opening closure device is provided for enabling passage of food or medication into a confined spaced without providing direct access from within the confined space to outside of the confined space. The device includes a housing defining a receptacle, an access door and a top cover. The top cover and the access door are independently movable between open and closed positions to provide access to within the receptacle.
    Type: Application
    Filed: February 12, 2001
    Publication date: November 15, 2001
    Inventor: Thomson Alexander
  • Patent number: 6302325
    Abstract: An access opening closure device is provided for enabling passage of food or medication into a confined spaced without providing direct access from within the confined space to outside of the confined space. The device includes a housing defining a receptacle, an access door and a top cover. The top cover and the access door are independently movable between open and closed positions to provide access to within the receptacle.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: October 16, 2001
    Inventor: Thomson Alexander