John Dwan and Henry S. Bryan 3M-Minnesota Mining and Manufacturing Co

The five founders of 3M -- Minnesota Mining and Manufacturing -- financed the company to mine mineral for grinding wheel abrasives. Like many others in the early 1900s, 3M's founders incorporated first and investigated later. In the face of failure, they persevered and turned an investment into a lucrative venture.

John Dwan, 3M Founder and first secretary, and attorney in Two Harbors, Minnesota and Henry S. Bryan, 3M Founder and first president, and Chief of Motive Power at the Duluth and Iron Range Railroad. both sign as officers at front of this 1903 Minnesota stock.

George H. LaBarre Galleries - Collectible Stocks and Bonds.