WION - #TodayInHistory, 1898: Hannibal Goodwin patents celluloid photographic film

On This Day - ~ #OnThisDay 1887, Hannibal Goodwin Patents Celluloid Photographic Film ~ On This Day on May 02, 1887, Hannibal Williston Goodwin patented a method for making transparent, flexible roll

MyDay - Important events - Hannibal Goodwin patents celluloid photographic film

Hannibal Goodwin, American clergyman

May 2, 1887: Celluloid-Film Patent Ignites Long Legal Battle

Hannibal Goodwin, American clergyman

Goodwin has a late good win, Latest News

WION - #TodayInHistory, 1887: Hannibal Goodwin patents

C is for Celluloid: The Goodwin vs. Kodak patent battle over flexible film - National Science and Media Museum blog

13 September 1898-Hannibal Goodwin patent celluloid photographic film., Chilly Floor Drain Covers