It improved by technology
He added doors and improved the design.
Yes, but someone else created the refrigerator Albert Einstein improved it with help from Leo Szilard.
African-American who improved the refrigerator and oil stove designs.
John Standard was an African American inventor. In 1891, he invented the improved refrigerator design. He also invented an improved oil stove.
Installing an RO system for a refrigerator can provide benefits such as improved water quality, removal of contaminants, better tasting water and ice, and reduced reliance on bottled water.
John Standard was an African-American inventor who patented an improved design for the non-mechanical (ice-filled) refrigerator in 1891.
KINDLY REFER THIS LINK SO THAT U CAN GET IN MORE DETAILEDhttp://en.wikipedia.org/wiki/Refrigerator
Installing a reverse osmosis system for a refrigerator can provide benefits such as improved water quality, removal of contaminants, better tasting water and ice, and increased overall health and safety.
John Standard improved the design for the refrigerator with a patent in June of 1891. Standard was an African American inventor who lived in Newark, New Jersey. He also patented an idea to improve the oil stove.
Having a built-in refrigerator and freezer in a modern kitchen offers benefits such as a sleek and seamless look, efficient use of space, customizable design options, and improved energy efficiency.
The principle behind the refrigerator has not changed over time. The design of the refrigerator has changed greatly over time. Motors, insulation, and refrigerants have improved so that modern refrigerators look nothing like past models. The best change occurred when the door closure changed from mechanical to magnetic. Children would hide in refrigerators and lock themselves in them. They would run out of air and die. Now doors open with very little pressure.
Prices came down with improved mass production, and consumers could also buy the appliance on an installment plan. The industry grew as refrigerator motors and refrigerant systems were made smaller and safer for home use