This was first conceptualized by Nikola Tesla in 1909 and Theodore Paraskevakos in 1971 and patented in 1974, and were offered for sale beginning in 1993.
It was offered for sale beginning in 1993. This was first conceptualized by Nikola Tesla in 1909 and Theodore Paraskevakos in 1971, and patented in 1974.
This was first conceptualized by Nikola Tesla in 1909 and Theodore Paraskevakos in 1971, and patented in 1974. It was offered for sale beginning in 1993.
This was first conceptualized by Nikola Tesla in 1909 and Theodore Paraskevakos in 1971, and patented in 1974. It was offered for sale beginning in 1993.