1
Robert P Detrick, Ricky G Ledbetter: Household refrigerator-freezer cooling apparatus with vacuum as the preserving means. Arex, Eugene M Eckelman, December 21, 1993: US05271240 (42 worldwide citation)

An inner cooled compartment for receiving articles to be preserved has a vacuum environment in it for the prolonged preservation of articles. Door closures for the compartment is associated with vacuum release valves to allow the closures to open. The inner compartment to be subject to vacuum may co ...


2
Ricky G Ledbetter: Air-conditioning refrigerator. John F Ingman, April 18, 1989: US04821530 (14 worldwide citation)

An air-conditioning refrigerator comprising an air-conditioning unit structured within the confines of a refrigerator, with the cooling coil and blower of the air conditioner located within a housing attached to the inside of the freezer compartment door, with air flow through apertures in that door ...


3
Ricky G Ledbetter: Air conditioning or heating refrigerator assembly. Robert E Howard, February 19, 2002: US06347526 (11 worldwide citation)

An air conditioning or heating refrigerator assembly, preferably for use in institutional kitchens. The refrigerator assembly includes a refrigerator unit having a cooling/heating coil subassembly mounted thereon, a blower subassembly mounted thereon downstream of said cooling/heating coil subassemb ...