Patents by Inventor John O. Springler

John O. Springler 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).

  • Fresh root vegetables with prolonged shelf life
    Patent number: 4808420
    Abstract: The shelf life of root crops such as raw carrots can be substantially increased by subjecting the raw carrots to a process including (a) a mild heat treatment effective to reduce the microflora of the carrots but not to adversely affect the organoleptic qualities of the raw carrots, (b) the rapid cooling of the heat treated vegetable and placing the vegetable in a sealed container to prevent microbial recontamination and maintain the vegetable in a viable condition.
    Type: Grant
    Filed: November 12, 1986
    Date of Patent: February 28, 1989
    Assignee: DNA Plant Technology Corporation
    Inventors: John O. Springler, Avigdor Orr, Seymour G. Gilbert