Patents by Inventor Juanita Derry

Juanita Derry 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).

  • Refrigerator with dry ice coolant
    Patent number: 3971231
    Abstract: A refrigerator incorporates an insulated cabinet having an access opening and a door normally closing said opening with at least one dry ice carrier removably disposed in said cabinet in alignment with said access opening. Said dry ice carrier takes the form of a container having a solid side and a perforated side and of a size and shape enabling the dry ice carrier to be positioned at one side of said insulated cabinet or transversely thereof as desired.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: July 27, 1976
    Inventor: Juanita Derry