The Preacher Who Patented Flexible Film in 1898 and Died Before Kodak Paid $5 Million for It
Hannibal Goodwin's application for a photographic pellicle reached the Patent Office on May 2, 1887, and stayed there for eleven years and four months while a succession of five examiners rejected it. George Eastman's chemist filed his own flexible film application on April 9, 1889, and had a granted patent eight months later.