1. Microwave Oven. -invented in 1940. The company Spencer was working for, Raytheon, then filed a patent on October 8, 1945 for a microwave cooking oven.
2. Stove. -invented near the 1850's. Benjamin Thompson designed the earliest cooking devices to scientifically control heat as early as the 1790's.
3. Refrigerator. -invented in the early 1900's.
In 1915 the first "Guardian" refrigerator - a predecessor of the Frigidaire ,was assembled in a wash house in a Fort Wayne backyard.
4. Dishwasher . -invented in 1850. They were inspired by Joel Houghton's 1850 machine
5. Washing & Drying machine. -invention idea was in 1797 but was first invented in 1851.In 1799 a Frenchman named Pochon invented the first hand cranked dryer.
2. Stove. -invented near the 1850's. Benjamin Thompson designed the earliest cooking devices to scientifically control heat as early as the 1790's.
3. Refrigerator. -invented in the early 1900's.
In 1915 the first "Guardian" refrigerator - a predecessor of the Frigidaire ,was assembled in a wash house in a Fort Wayne backyard.
4. Dishwasher . -invented in 1850. They were inspired by Joel Houghton's 1850 machine
5. Washing & Drying machine. -invention idea was in 1797 but was first invented in 1851.In 1799 a Frenchman named Pochon invented the first hand cranked dryer.