Electro-magnetic Archives

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This Day in Patent History - On January 26, 1875, the first electric dental drill was patented George Green, a development that revolutionized dentistry

On January 26, 1875, the first electric dental drill was patented George Green, a development that revolutionized dentistry. Humans have been drilling teeth since over…

Nikola Tesla Patent#9 - Electro-magnetic motor - US 381969

Patent Information Publication number: US381969 A Patent Title: Electro-magnetic motor Publication…

Nikola Tesla Patent #8 – Electro-magnetic motor – US 381968

Patent Information Publication number: US381968 A Patent Title : Electro-magnetic motor…