Yes it works so well
1991
A patented water purification system.
Marie Van Brittan Brown in 1969
The first automatic switching system was introduced at the 1881 Paris Electrical Exposition, and a workable system had been patented by 1889.
The first automatic switching system was introduced at the 1881 Paris Electrical Exposition, and a workable system had been patented by 1889.
In 1884 a university student in Germany patented the first electromechanical TV system. This system consisted of a scanning disk and spinning disk.
-> memory management -> catching -> pooling
GanedenBC30 is the brand name of a patented good bacteria strain. The probiotic helps the digestive system and immune system of the human body when it is taken daily.
Thomas Jefferson was the inventor of the first Hideaway Bed ever patented in the United States. When the bed was not in use it was hoisted to the ceiling and secured by a complicated system of pulleys and ropes.
The System of Dr- Tarr and Professor Fether - 2008 was released on: USA: 19 April 2008 (Johns Hopkins Film Festival)
There was no television in the 1920's, only radio.Not true the first television system was patented in 1927 by Reginald Fessenden.
Edison patented an electric distribution system in 1880, which was needed to capitalize on the invention of the electric lamp.