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United States Patent & Trademark Office Issues 7 Millionth Patent

WASHINGTON, D.C.– The Department of Commerce’s United States Patent and Trademark Office (USPTO) today issued patent No. 7 million to DuPont senior researcher John P. O’Brien for “polysaccharide fibers” and a process for their production. The fibers have cotton-like properties, are biodegradable and are useful in textile applications.

It took 75 years to get from patent No.1 to patent 1 million. It has taken less than one tenth of that time to go from 6 million to 7 million patents.

Patent No. 1 million was issued on August 8, 1911, for a tubeless vehicle tire.

Twenty-four years later, on April 30, 1935, patent No. 2 million issued for a vehicle wheel to increase the safety and longevity of pneumatic tires.

Patent No. 3 million issued 26 years later on September 12, 1961, to an inventor at the General Electric Co., for an automated system that translated letters, numbers and symbols to data processing code.

Patent No. 4 million issued 15 years later on December

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