Patents by Inventor Walter R. Lockhart

Walter R. Lockhart 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).

  • Patent number: 5261208
    Abstract: The present invention involves a tamper-proof apparatus and method for assuring the integrity of containers of consumer goods. A special carton, which becomes part of the retail display, has a plurality of controlled dispensing openings such that once a container has been removed, it cannot be replaced in the carton. Accordingly, a container cannot be removed from the carton, its contents altered, and the container replaced in the carton to be purchased by an unwitting consumer. Several alternative systems are employed for assembling the carton in a secure, tamper-proof manner. Further, if the carton is loaded at the point of manufacture or distribution, once the carton is loaded, the carton is sealed to provide indicia of potential tampering between the point of manufacture or distribution and the ultimate point of sale at a retail location.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: November 16, 1993
    Inventor: Walter R. Lockhart
  • Patent number: 4817818
    Abstract: A method of dispensing food and drug products in a tamper-proof manner includes sealing the products within a tamper-proof container at the manufacturing and/or packaging site and not opening the container until it reaches the retail destination at which point a tamper-proof dispensing unit is attached to the container so that individual products can be removed from the container but cannot be reinserted into the container.
    Type: Grant
    Filed: July 31, 1987
    Date of Patent: April 4, 1989
    Inventor: Walter R. Lockhart