Quotes Donut - Each year, the United States issues about 70,000 patents, only a few of which ultimately reach the stage of commercial production.

Each year, the United States issues about 70,000 patents, only a few of which ul... - Jared Diamond - Quotes Donut

Written By Jared Diamond

Each year, the United States issues about 70,000 patents, only a few of which ultimately reach the stage of commercial production.

6 Reads • November 21, 2020