1
William X Tracy, Thomas K Roslak, Judith Murrah, Francis Riso, Robert Beach, Robert Sandler, John Klein: Method and system for presenting item information using a portable data terminal. Symbol Technologies, Mauro Premutico, November 9, 1999: US05979757 (736 worldwide citation)

The present invention relates to an improved portable shopping system. The system is provided with improved data presentation system for presenting customer desired data on a portable terminal. The portable terminal includes audio as well as video presentation means which are used to provide custome ...


2
William X Tracy, Thomas K Roslak, Judith Murrah, Francis Riso, Robert Beach, Robert Sandler: Method and system for presenting item information using a portable data terminal. Symbol Technologies, March 13, 2001: US06199753 (256 worldwide citation)

The present invention relates to an improved portable shopping system. The system is provided with improved data presentation system for presenting customer desired data on a portable terminal. The portable terminal includes audio as well as video presentation means which are used to provide custome ...


3
William X Tracy, Thomas K Roslak, Judith Murrah, Francis Riso, Robert Beach, Robert Sandler: Method and system for presenting item information using a portable data terminal. Symbol Technologies, April 22, 2003: US06550672 (71 worldwide citation)

The present invention relates to an improved portable shopping system. The system is provided with improved data presentation system for presenting customer desired data on a portable terminal. The portable terminal includes components for presenting audio as well as video information to the custome ...


4
William X Tracy, Thomas K Roslak, Judith Murrah, Francis Riso, Robert Beach, Robert Sandler: Method and system for presenting item information using a portable data terminal. Symbol Technologies, Amin & Turocy, September 12, 2006: US07107221 (34 worldwide citation)

The present invention relates to an improved portable shopping system. The system is provided with improved data presentation system for presenting customer desired data on a portable terminal. The portable terminal includes audio as well as video presentation means which are used to provide custome ...


5
William X Tracy, Thomas K Roslak, Judith Murrah, Francis Riso, Robert Beach, Robert Sandler: Method and system for presenting item information using a portable data terminal. Symbol Technologies, May 25, 2010: US07725326 (10 worldwide citation)

An improved portable shopping system with improved data presentation system for presenting customer desired data on a portable terminal. The portable terminal includes audio as well as video presentation components that are used to provide customer specific marketing files to promote the sale of ide ...