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old patents 2

In tech, patents are trophies -- and these companies are dominating

by Seth Fiegerman

Trade war

Around the world

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Mission Ahead Cloud Seeding 1

Drought woes? This tech can literally make it rain

cotton gin patent

2:06

Patents: A history of innovation

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Uber Flying Taxis Clean

Uber invests millions to build flying taxis

By Ivana Kottasova

Personal Finance